Update the licensing information

166 files changed, 2656 insertions, 0 deletions

diff --git a/src/main/java/org/eu/zajc/ef/EHandle.java b/src/main/java/org/eu/zajc/ef/EHandle.java
index fe32c33..0de10e9 100644
--- a/src/main/java/org/eu/zajc/ef/EHandle.java
+++ b/src/main/java/org/eu/zajc/ef/EHandle.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/Utilities.java b/src/main/java/org/eu/zajc/ef/Utilities.java
index 6c1c087..bd96664 100644
--- a/src/main/java/org/eu/zajc/ef/Utilities.java
+++ b/src/main/java/org/eu/zajc/ef/Utilities.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef;
 
 import javax.annotation.Nonnull;
diff --git a/src/main/java/org/eu/zajc/ef/biconsumer/ObjBooleanConsumer.java b/src/main/java/org/eu/zajc/ef/biconsumer/ObjBooleanConsumer.java
index 85a4ef1..7bb662c 100644
--- a/src/main/java/org/eu/zajc/ef/biconsumer/ObjBooleanConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/biconsumer/ObjBooleanConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.biconsumer;
 
 import java.util.function.BiConsumer;
diff --git a/src/main/java/org/eu/zajc/ef/biconsumer/ObjByteConsumer.java b/src/main/java/org/eu/zajc/ef/biconsumer/ObjByteConsumer.java
index 29ec47d..8cfbbcb 100644
--- a/src/main/java/org/eu/zajc/ef/biconsumer/ObjByteConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/biconsumer/ObjByteConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.biconsumer;
 
 import java.util.function.BiConsumer;
diff --git a/src/main/java/org/eu/zajc/ef/biconsumer/ObjShortConsumer.java b/src/main/java/org/eu/zajc/ef/biconsumer/ObjShortConsumer.java
index 4839983..20b415d 100644
--- a/src/main/java/org/eu/zajc/ef/biconsumer/ObjShortConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/biconsumer/ObjShortConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.biconsumer;
 
 import java.util.function.BiConsumer;
diff --git a/src/main/java/org/eu/zajc/ef/biconsumer/except/EBiConsumer.java b/src/main/java/org/eu/zajc/ef/biconsumer/except/EBiConsumer.java
index 35e09c9..5688559 100644
--- a/src/main/java/org/eu/zajc/ef/biconsumer/except/EBiConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/biconsumer/except/EBiConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.biconsumer.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjBooleanConsumer.java b/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjBooleanConsumer.java
index 74684d1..4e62176 100644
--- a/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjBooleanConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjBooleanConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.biconsumer.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjByteConsumer.java b/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjByteConsumer.java
index cbe3e23..81c0087 100644
--- a/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjByteConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjByteConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.biconsumer.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjIntConsumer.java b/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjIntConsumer.java
index b8fa719..c972354 100644
--- a/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjIntConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjIntConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.biconsumer.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjLongConsumer.java b/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjLongConsumer.java
index f68b1d3..80ae3aa 100644
--- a/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjLongConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjLongConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.biconsumer.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjShortConsumer.java b/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjShortConsumer.java
index 5a72f07..11516fc 100644
--- a/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjShortConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/biconsumer/except/EObjShortConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.biconsumer.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEBiConsumer.java b/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEBiConsumer.java
index ac09ce9..ef25a30 100644
--- a/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEBiConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEBiConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.biconsumer.except.all;
 
 import java.util.function.BiConsumer;
diff --git a/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjBooleanConsumer.java b/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjBooleanConsumer.java
index 81f98e0..a8d98b8 100644
--- a/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjBooleanConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjBooleanConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.biconsumer.except.all;
 
 import org.eu.zajc.ef.biconsumer.ObjBooleanConsumer;
diff --git a/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjByteConsumer.java b/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjByteConsumer.java
index e24b938..55fa46a 100644
--- a/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjByteConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjByteConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.biconsumer.except.all;
 
 import org.eu.zajc.ef.biconsumer.ObjByteConsumer;
diff --git a/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjIntConsumer.java b/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjIntConsumer.java
index 0431116..5bed48a 100644
--- a/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjIntConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjIntConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.biconsumer.except.all;
 
 import java.util.function.ObjIntConsumer;
diff --git a/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjLongConsumer.java b/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjLongConsumer.java
index 41e3742..52575c8 100644
--- a/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjLongConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjLongConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.biconsumer.except.all;
 
 import java.util.function.ObjLongConsumer;
diff --git a/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjShortConsumer.java b/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjShortConsumer.java
index 3d535d3..68b3aab 100644
--- a/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjShortConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/biconsumer/except/all/AEObjShortConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.biconsumer.except.all;
 
 import org.eu.zajc.ef.biconsumer.ObjShortConsumer;
diff --git a/src/main/java/org/eu/zajc/ef/bifunction/ObjBooleanFunction.java b/src/main/java/org/eu/zajc/ef/bifunction/ObjBooleanFunction.java
index e187d77..83ad648 100644
--- a/src/main/java/org/eu/zajc/ef/bifunction/ObjBooleanFunction.java
+++ b/src/main/java/org/eu/zajc/ef/bifunction/ObjBooleanFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bifunction;
 
 import java.util.function.BiFunction;
diff --git a/src/main/java/org/eu/zajc/ef/bifunction/ObjByteFunction.java b/src/main/java/org/eu/zajc/ef/bifunction/ObjByteFunction.java
index 19c7f23..2799258 100644
--- a/src/main/java/org/eu/zajc/ef/bifunction/ObjByteFunction.java
+++ b/src/main/java/org/eu/zajc/ef/bifunction/ObjByteFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bifunction;
 
 import java.util.function.BiFunction;
diff --git a/src/main/java/org/eu/zajc/ef/bifunction/ObjIntFunction.java b/src/main/java/org/eu/zajc/ef/bifunction/ObjIntFunction.java
index 855f053..4dbe65d 100644
--- a/src/main/java/org/eu/zajc/ef/bifunction/ObjIntFunction.java
+++ b/src/main/java/org/eu/zajc/ef/bifunction/ObjIntFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bifunction;
 
 import java.util.function.BiFunction;
diff --git a/src/main/java/org/eu/zajc/ef/bifunction/ObjLongFunction.java b/src/main/java/org/eu/zajc/ef/bifunction/ObjLongFunction.java
index 5d47ca1..be6e33e 100644
--- a/src/main/java/org/eu/zajc/ef/bifunction/ObjLongFunction.java
+++ b/src/main/java/org/eu/zajc/ef/bifunction/ObjLongFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bifunction;
 
 import java.util.function.BiFunction;
diff --git a/src/main/java/org/eu/zajc/ef/bifunction/ObjShortFunction.java b/src/main/java/org/eu/zajc/ef/bifunction/ObjShortFunction.java
index a949055..e8bcf2f 100644
--- a/src/main/java/org/eu/zajc/ef/bifunction/ObjShortFunction.java
+++ b/src/main/java/org/eu/zajc/ef/bifunction/ObjShortFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bifunction;
 
 import java.util.function.BiFunction;
diff --git a/src/main/java/org/eu/zajc/ef/bifunction/except/EBiFunction.java b/src/main/java/org/eu/zajc/ef/bifunction/except/EBiFunction.java
index 801387f..85be73c 100644
--- a/src/main/java/org/eu/zajc/ef/bifunction/except/EBiFunction.java
+++ b/src/main/java/org/eu/zajc/ef/bifunction/except/EBiFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bifunction.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/bifunction/except/EObjBooleanFunction.java b/src/main/java/org/eu/zajc/ef/bifunction/except/EObjBooleanFunction.java
index 68f0387..1d009ba 100644
--- a/src/main/java/org/eu/zajc/ef/bifunction/except/EObjBooleanFunction.java
+++ b/src/main/java/org/eu/zajc/ef/bifunction/except/EObjBooleanFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bifunction.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/bifunction/except/EObjByteFunction.java b/src/main/java/org/eu/zajc/ef/bifunction/except/EObjByteFunction.java
index 02fad1f..bc81dc8 100644
--- a/src/main/java/org/eu/zajc/ef/bifunction/except/EObjByteFunction.java
+++ b/src/main/java/org/eu/zajc/ef/bifunction/except/EObjByteFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bifunction.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/bifunction/except/EObjIntFunction.java b/src/main/java/org/eu/zajc/ef/bifunction/except/EObjIntFunction.java
index 8493ce8..510628d 100644
--- a/src/main/java/org/eu/zajc/ef/bifunction/except/EObjIntFunction.java
+++ b/src/main/java/org/eu/zajc/ef/bifunction/except/EObjIntFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bifunction.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/bifunction/except/EObjLongFunction.java b/src/main/java/org/eu/zajc/ef/bifunction/except/EObjLongFunction.java
index bd15ab3..731691c 100644
--- a/src/main/java/org/eu/zajc/ef/bifunction/except/EObjLongFunction.java
+++ b/src/main/java/org/eu/zajc/ef/bifunction/except/EObjLongFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bifunction.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/bifunction/except/EObjShortFunction.java b/src/main/java/org/eu/zajc/ef/bifunction/except/EObjShortFunction.java
index ff585a3..3d8369c 100644
--- a/src/main/java/org/eu/zajc/ef/bifunction/except/EObjShortFunction.java
+++ b/src/main/java/org/eu/zajc/ef/bifunction/except/EObjShortFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bifunction.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEBiFunction.java b/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEBiFunction.java
index 03dc4ef..44e901e 100644
--- a/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEBiFunction.java
+++ b/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEBiFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bifunction.except.all;
 
 import java.util.function.BiFunction;
diff --git a/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjBooleanFunction.java b/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjBooleanFunction.java
index 7e9028b..f1e6aef 100644
--- a/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjBooleanFunction.java
+++ b/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjBooleanFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bifunction.except.all;
 
 import org.eu.zajc.ef.bifunction.ObjBooleanFunction;
diff --git a/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjByteFunction.java b/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjByteFunction.java
index eefeca7..d288c4f 100644
--- a/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjByteFunction.java
+++ b/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjByteFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bifunction.except.all;
 
 import org.eu.zajc.ef.bifunction.ObjByteFunction;
diff --git a/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjIntFunction.java b/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjIntFunction.java
index aefc47a..833802c 100644
--- a/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjIntFunction.java
+++ b/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjIntFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bifunction.except.all;
 
 import org.eu.zajc.ef.bifunction.ObjIntFunction;
diff --git a/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjLongFunction.java b/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjLongFunction.java
index dad5920..89d4073 100644
--- a/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjLongFunction.java
+++ b/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjLongFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bifunction.except.all;
 
 import org.eu.zajc.ef.bifunction.ObjLongFunction;
diff --git a/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjShortFunction.java b/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjShortFunction.java
index 5fcdc76..5fe05e5 100644
--- a/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjShortFunction.java
+++ b/src/main/java/org/eu/zajc/ef/bifunction/except/all/AEObjShortFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bifunction.except.all;
 
 import org.eu.zajc.ef.bifunction.ObjShortFunction;
diff --git a/src/main/java/org/eu/zajc/ef/bipredicate/ObjBooleanPredicate.java b/src/main/java/org/eu/zajc/ef/bipredicate/ObjBooleanPredicate.java
index da3d636..1d6ed80 100644
--- a/src/main/java/org/eu/zajc/ef/bipredicate/ObjBooleanPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/bipredicate/ObjBooleanPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bipredicate;
 
 import java.util.function.BiPredicate;
diff --git a/src/main/java/org/eu/zajc/ef/bipredicate/ObjBytePredicate.java b/src/main/java/org/eu/zajc/ef/bipredicate/ObjBytePredicate.java
index e789b63..9d5dc9d 100644
--- a/src/main/java/org/eu/zajc/ef/bipredicate/ObjBytePredicate.java
+++ b/src/main/java/org/eu/zajc/ef/bipredicate/ObjBytePredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bipredicate;
 
 import java.util.function.BiPredicate;
diff --git a/src/main/java/org/eu/zajc/ef/bipredicate/ObjIntPredicate.java b/src/main/java/org/eu/zajc/ef/bipredicate/ObjIntPredicate.java
index 5013f63..371c11b 100644
--- a/src/main/java/org/eu/zajc/ef/bipredicate/ObjIntPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/bipredicate/ObjIntPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bipredicate;
 
 import java.util.function.BiPredicate;
diff --git a/src/main/java/org/eu/zajc/ef/bipredicate/ObjLongPredicate.java b/src/main/java/org/eu/zajc/ef/bipredicate/ObjLongPredicate.java
index ebfd6da..1e32a60 100644
--- a/src/main/java/org/eu/zajc/ef/bipredicate/ObjLongPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/bipredicate/ObjLongPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bipredicate;
 
 import java.util.function.BiPredicate;
diff --git a/src/main/java/org/eu/zajc/ef/bipredicate/ObjShortPredicate.java b/src/main/java/org/eu/zajc/ef/bipredicate/ObjShortPredicate.java
index 734e387..c8c0680 100644
--- a/src/main/java/org/eu/zajc/ef/bipredicate/ObjShortPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/bipredicate/ObjShortPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bipredicate;
 
 import java.util.function.BiPredicate;
diff --git a/src/main/java/org/eu/zajc/ef/bipredicate/except/EBiPredicate.java b/src/main/java/org/eu/zajc/ef/bipredicate/except/EBiPredicate.java
index b4745e4..6ca5aaa 100644
--- a/src/main/java/org/eu/zajc/ef/bipredicate/except/EBiPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/bipredicate/except/EBiPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bipredicate.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjBooleanPredicate.java b/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjBooleanPredicate.java
index d3da113..789207b 100644
--- a/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjBooleanPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjBooleanPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bipredicate.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjBytePredicate.java b/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjBytePredicate.java
index c55ece2..f43930e 100644
--- a/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjBytePredicate.java
+++ b/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjBytePredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bipredicate.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjIntPredicate.java b/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjIntPredicate.java
index 10a6c69..b7e3669 100644
--- a/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjIntPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjIntPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bipredicate.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjLongPredicate.java b/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjLongPredicate.java
index 77f6939..1a336a5 100644
--- a/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjLongPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjLongPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bipredicate.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjShortPredicate.java b/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjShortPredicate.java
index 0d89c58..0260e14 100644
--- a/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjShortPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/bipredicate/except/EObjShortPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bipredicate.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEBiPredicate.java b/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEBiPredicate.java
index 3bd6261..ef0b1c0 100644
--- a/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEBiPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEBiPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bipredicate.except.all;
 
 import java.util.function.BiPredicate;
diff --git a/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjBooleanPredicate.java b/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjBooleanPredicate.java
index db0abb7..8b92f74 100644
--- a/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjBooleanPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjBooleanPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bipredicate.except.all;
 
 import org.eu.zajc.ef.bipredicate.ObjBooleanPredicate;
diff --git a/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjBytePredicate.java b/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjBytePredicate.java
index ebdaa2c..83b15de 100644
--- a/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjBytePredicate.java
+++ b/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjBytePredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bipredicate.except.all;
 
 import org.eu.zajc.ef.bipredicate.ObjBytePredicate;
diff --git a/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjIntPredicate.java b/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjIntPredicate.java
index 2f16309..40d6182 100644
--- a/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjIntPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjIntPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bipredicate.except.all;
 
 import org.eu.zajc.ef.bipredicate.ObjIntPredicate;
diff --git a/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjLongPredicate.java b/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjLongPredicate.java
index b3a7cde..2c6920f 100644
--- a/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjLongPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjLongPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bipredicate.except.all;
 
 import org.eu.zajc.ef.bipredicate.ObjLongPredicate;
diff --git a/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjShortPredicate.java b/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjShortPredicate.java
index 0aa3c93..4bb3c38 100644
--- a/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjShortPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/bipredicate/except/all/AEObjShortPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.bipredicate.except.all;
 
 import org.eu.zajc.ef.bipredicate.ObjShortPredicate;
diff --git a/src/main/java/org/eu/zajc/ef/consumer/BooleanConsumer.java b/src/main/java/org/eu/zajc/ef/consumer/BooleanConsumer.java
index 5a22df1..5d147db 100644
--- a/src/main/java/org/eu/zajc/ef/consumer/BooleanConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/consumer/BooleanConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.consumer;
 
 import java.util.function.Consumer;
diff --git a/src/main/java/org/eu/zajc/ef/consumer/ByteConsumer.java b/src/main/java/org/eu/zajc/ef/consumer/ByteConsumer.java
index 1ac9fc5..42a20e4 100644
--- a/src/main/java/org/eu/zajc/ef/consumer/ByteConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/consumer/ByteConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.consumer;
 
 import java.util.function.Consumer;
diff --git a/src/main/java/org/eu/zajc/ef/consumer/ShortConsumer.java b/src/main/java/org/eu/zajc/ef/consumer/ShortConsumer.java
index 0537b02..b300ee1 100644
--- a/src/main/java/org/eu/zajc/ef/consumer/ShortConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/consumer/ShortConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.consumer;
 
 import java.util.function.Consumer;
diff --git a/src/main/java/org/eu/zajc/ef/consumer/execpt/EBooleanConsumer.java b/src/main/java/org/eu/zajc/ef/consumer/execpt/EBooleanConsumer.java
index 6180bdb..39f9fd5 100644
--- a/src/main/java/org/eu/zajc/ef/consumer/execpt/EBooleanConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/consumer/execpt/EBooleanConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.consumer.execpt;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/consumer/execpt/EByteConsumer.java b/src/main/java/org/eu/zajc/ef/consumer/execpt/EByteConsumer.java
index 413e289..1961b4d 100644
--- a/src/main/java/org/eu/zajc/ef/consumer/execpt/EByteConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/consumer/execpt/EByteConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.consumer.execpt;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/consumer/execpt/EConsumer.java b/src/main/java/org/eu/zajc/ef/consumer/execpt/EConsumer.java
index c154a4a..4656c8d 100644
--- a/src/main/java/org/eu/zajc/ef/consumer/execpt/EConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/consumer/execpt/EConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.consumer.execpt;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/consumer/execpt/EIntConsumer.java b/src/main/java/org/eu/zajc/ef/consumer/execpt/EIntConsumer.java
index 1e15e5b..478bf10 100644
--- a/src/main/java/org/eu/zajc/ef/consumer/execpt/EIntConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/consumer/execpt/EIntConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.consumer.execpt;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/consumer/execpt/ELongConsumer.java b/src/main/java/org/eu/zajc/ef/consumer/execpt/ELongConsumer.java
index fe48b19..c2eac6f 100644
--- a/src/main/java/org/eu/zajc/ef/consumer/execpt/ELongConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/consumer/execpt/ELongConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.consumer.execpt;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/consumer/execpt/EShortConsumer.java b/src/main/java/org/eu/zajc/ef/consumer/execpt/EShortConsumer.java
index fd3d706..264a794 100644
--- a/src/main/java/org/eu/zajc/ef/consumer/execpt/EShortConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/consumer/execpt/EShortConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.consumer.execpt;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEBooleanConsumer.java b/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEBooleanConsumer.java
index 64fc245..a279e4b 100644
--- a/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEBooleanConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEBooleanConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.consumer.execpt.all;
 
 import java.util.function.Consumer;
diff --git a/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEByteConsumer.java b/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEByteConsumer.java
index d6e3d75..69256e4 100644
--- a/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEByteConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEByteConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.consumer.execpt.all;
 
 import java.util.function.Consumer;
diff --git a/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEConsumer.java b/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEConsumer.java
index e746a51..7e5388e 100644
--- a/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.consumer.execpt.all;
 
 import java.util.function.Consumer;
diff --git a/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEIntConsumer.java b/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEIntConsumer.java
index d4f64f5..934f79b 100644
--- a/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEIntConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEIntConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.consumer.execpt.all;
 
 import java.util.function.Consumer;
diff --git a/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AELongConsumer.java b/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AELongConsumer.java
index 4cb2a53..39c1dfc 100644
--- a/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AELongConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AELongConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.consumer.execpt.all;
 
 import java.util.function.Consumer;
diff --git a/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEShortConsumer.java b/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEShortConsumer.java
index 7b53a81..0881ba7 100644
--- a/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEShortConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/consumer/execpt/all/AEShortConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.consumer.execpt.all;
 
 import java.util.function.Consumer;
diff --git a/src/main/java/org/eu/zajc/ef/function/BooleanFunction.java b/src/main/java/org/eu/zajc/ef/function/BooleanFunction.java
index 6b42f42..fcc261e 100644
--- a/src/main/java/org/eu/zajc/ef/function/BooleanFunction.java
+++ b/src/main/java/org/eu/zajc/ef/function/BooleanFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.function;
 
 import java.util.function.Function;
diff --git a/src/main/java/org/eu/zajc/ef/function/ByteFunction.java b/src/main/java/org/eu/zajc/ef/function/ByteFunction.java
index 3a48088..8426b0c 100644
--- a/src/main/java/org/eu/zajc/ef/function/ByteFunction.java
+++ b/src/main/java/org/eu/zajc/ef/function/ByteFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.function;
 
 import java.util.function.Function;
diff --git a/src/main/java/org/eu/zajc/ef/function/ShortFunction.java b/src/main/java/org/eu/zajc/ef/function/ShortFunction.java
index 0bc3aff..c99e776 100644
--- a/src/main/java/org/eu/zajc/ef/function/ShortFunction.java
+++ b/src/main/java/org/eu/zajc/ef/function/ShortFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.function;
 
 import java.util.function.Function;
diff --git a/src/main/java/org/eu/zajc/ef/function/except/EBooleanFunction.java b/src/main/java/org/eu/zajc/ef/function/except/EBooleanFunction.java
index 1ef1711..2378f34 100644
--- a/src/main/java/org/eu/zajc/ef/function/except/EBooleanFunction.java
+++ b/src/main/java/org/eu/zajc/ef/function/except/EBooleanFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.function.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/function/except/EByteFunction.java b/src/main/java/org/eu/zajc/ef/function/except/EByteFunction.java
index ba608ae..e74e3fd 100644
--- a/src/main/java/org/eu/zajc/ef/function/except/EByteFunction.java
+++ b/src/main/java/org/eu/zajc/ef/function/except/EByteFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.function.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/function/except/EFunction.java b/src/main/java/org/eu/zajc/ef/function/except/EFunction.java
index 9872b9c..3968922 100644
--- a/src/main/java/org/eu/zajc/ef/function/except/EFunction.java
+++ b/src/main/java/org/eu/zajc/ef/function/except/EFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.function.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/function/except/EIntFunction.java b/src/main/java/org/eu/zajc/ef/function/except/EIntFunction.java
index 44db6c9..eb5bf5c 100644
--- a/src/main/java/org/eu/zajc/ef/function/except/EIntFunction.java
+++ b/src/main/java/org/eu/zajc/ef/function/except/EIntFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.function.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/function/except/ELongFunction.java b/src/main/java/org/eu/zajc/ef/function/except/ELongFunction.java
index 7b05cef..e8bce3b 100644
--- a/src/main/java/org/eu/zajc/ef/function/except/ELongFunction.java
+++ b/src/main/java/org/eu/zajc/ef/function/except/ELongFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.function.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/function/except/EShortFunction.java b/src/main/java/org/eu/zajc/ef/function/except/EShortFunction.java
index 40d1fe3..4882665 100644
--- a/src/main/java/org/eu/zajc/ef/function/except/EShortFunction.java
+++ b/src/main/java/org/eu/zajc/ef/function/except/EShortFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.function.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/function/except/all/AEBooleanFunction.java b/src/main/java/org/eu/zajc/ef/function/except/all/AEBooleanFunction.java
index 4eb4ea6..339e2a8 100644
--- a/src/main/java/org/eu/zajc/ef/function/except/all/AEBooleanFunction.java
+++ b/src/main/java/org/eu/zajc/ef/function/except/all/AEBooleanFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.function.except.all;
 
 import org.eu.zajc.ef.function.BooleanFunction;
diff --git a/src/main/java/org/eu/zajc/ef/function/except/all/AEByteFunction.java b/src/main/java/org/eu/zajc/ef/function/except/all/AEByteFunction.java
index 2ef2dd1..50274f2 100644
--- a/src/main/java/org/eu/zajc/ef/function/except/all/AEByteFunction.java
+++ b/src/main/java/org/eu/zajc/ef/function/except/all/AEByteFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.function.except.all;
 
 import org.eu.zajc.ef.function.ByteFunction;
diff --git a/src/main/java/org/eu/zajc/ef/function/except/all/AEFunction.java b/src/main/java/org/eu/zajc/ef/function/except/all/AEFunction.java
index 434d5b6..e2ebe81 100644
--- a/src/main/java/org/eu/zajc/ef/function/except/all/AEFunction.java
+++ b/src/main/java/org/eu/zajc/ef/function/except/all/AEFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.function.except.all;
 
 import java.util.function.Function;
diff --git a/src/main/java/org/eu/zajc/ef/function/except/all/AEIntFunction.java b/src/main/java/org/eu/zajc/ef/function/except/all/AEIntFunction.java
index 42c8341..897e7fb 100644
--- a/src/main/java/org/eu/zajc/ef/function/except/all/AEIntFunction.java
+++ b/src/main/java/org/eu/zajc/ef/function/except/all/AEIntFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.function.except.all;
 
 import java.util.function.IntFunction;
diff --git a/src/main/java/org/eu/zajc/ef/function/except/all/AELongFunction.java b/src/main/java/org/eu/zajc/ef/function/except/all/AELongFunction.java
index 675d857..e064b0e 100644
--- a/src/main/java/org/eu/zajc/ef/function/except/all/AELongFunction.java
+++ b/src/main/java/org/eu/zajc/ef/function/except/all/AELongFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.function.except.all;
 
 import java.util.function.LongFunction;
diff --git a/src/main/java/org/eu/zajc/ef/function/except/all/AEShortFunction.java b/src/main/java/org/eu/zajc/ef/function/except/all/AEShortFunction.java
index 8146255..b6cdab4 100644
--- a/src/main/java/org/eu/zajc/ef/function/except/all/AEShortFunction.java
+++ b/src/main/java/org/eu/zajc/ef/function/except/all/AEShortFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.function.except.all;
 
 import org.eu.zajc.ef.function.ShortFunction;
diff --git a/src/main/java/org/eu/zajc/ef/predicate/BooleanPredicate.java b/src/main/java/org/eu/zajc/ef/predicate/BooleanPredicate.java
index 170547a..e229d5b 100644
--- a/src/main/java/org/eu/zajc/ef/predicate/BooleanPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/predicate/BooleanPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.predicate;
 
 import java.util.function.Predicate;
diff --git a/src/main/java/org/eu/zajc/ef/predicate/BytePredicate.java b/src/main/java/org/eu/zajc/ef/predicate/BytePredicate.java
index 67c9468..03f8d74 100644
--- a/src/main/java/org/eu/zajc/ef/predicate/BytePredicate.java
+++ b/src/main/java/org/eu/zajc/ef/predicate/BytePredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.predicate;
 
 import java.util.function.Predicate;
diff --git a/src/main/java/org/eu/zajc/ef/predicate/ShortPredicate.java b/src/main/java/org/eu/zajc/ef/predicate/ShortPredicate.java
index 9d17ee8..9066fea 100644
--- a/src/main/java/org/eu/zajc/ef/predicate/ShortPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/predicate/ShortPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.predicate;
 
 import java.util.function.Predicate;
diff --git a/src/main/java/org/eu/zajc/ef/predicate/except/EBooleanPredicate.java b/src/main/java/org/eu/zajc/ef/predicate/except/EBooleanPredicate.java
index 2f99ebb..e2a0aae 100644
--- a/src/main/java/org/eu/zajc/ef/predicate/except/EBooleanPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/predicate/except/EBooleanPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.predicate.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/predicate/except/EBytePredicate.java b/src/main/java/org/eu/zajc/ef/predicate/except/EBytePredicate.java
index ea51978..f5c312f 100644
--- a/src/main/java/org/eu/zajc/ef/predicate/except/EBytePredicate.java
+++ b/src/main/java/org/eu/zajc/ef/predicate/except/EBytePredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.predicate.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/predicate/except/EIntPredicate.java b/src/main/java/org/eu/zajc/ef/predicate/except/EIntPredicate.java
index dc79cfc..ab6622e 100644
--- a/src/main/java/org/eu/zajc/ef/predicate/except/EIntPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/predicate/except/EIntPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.predicate.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/predicate/except/ELongPredicate.java b/src/main/java/org/eu/zajc/ef/predicate/except/ELongPredicate.java
index 085f8c1..3486e9b 100644
--- a/src/main/java/org/eu/zajc/ef/predicate/except/ELongPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/predicate/except/ELongPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.predicate.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/predicate/except/EPredicate.java b/src/main/java/org/eu/zajc/ef/predicate/except/EPredicate.java
index 0d3a56b..127cb05 100644
--- a/src/main/java/org/eu/zajc/ef/predicate/except/EPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/predicate/except/EPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.predicate.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/predicate/except/EShortPredicate.java b/src/main/java/org/eu/zajc/ef/predicate/except/EShortPredicate.java
index 5a0f00d..43c1e33 100644
--- a/src/main/java/org/eu/zajc/ef/predicate/except/EShortPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/predicate/except/EShortPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.predicate.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/predicate/except/all/AEBooleanPredicate.java b/src/main/java/org/eu/zajc/ef/predicate/except/all/AEBooleanPredicate.java
index 1075182..f82d0d5 100644
--- a/src/main/java/org/eu/zajc/ef/predicate/except/all/AEBooleanPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/predicate/except/all/AEBooleanPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.predicate.except.all;
 
 import org.eu.zajc.ef.predicate.BooleanPredicate;
diff --git a/src/main/java/org/eu/zajc/ef/predicate/except/all/AEBytePredicate.java b/src/main/java/org/eu/zajc/ef/predicate/except/all/AEBytePredicate.java
index 96e1931..36858c0 100644
--- a/src/main/java/org/eu/zajc/ef/predicate/except/all/AEBytePredicate.java
+++ b/src/main/java/org/eu/zajc/ef/predicate/except/all/AEBytePredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.predicate.except.all;
 
 import org.eu.zajc.ef.predicate.BytePredicate;
diff --git a/src/main/java/org/eu/zajc/ef/predicate/except/all/AEIntPredicate.java b/src/main/java/org/eu/zajc/ef/predicate/except/all/AEIntPredicate.java
index fddc9e4..d0361bb 100644
--- a/src/main/java/org/eu/zajc/ef/predicate/except/all/AEIntPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/predicate/except/all/AEIntPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.predicate.except.all;
 
 import java.util.function.IntPredicate;
diff --git a/src/main/java/org/eu/zajc/ef/predicate/except/all/AELongPredicate.java b/src/main/java/org/eu/zajc/ef/predicate/except/all/AELongPredicate.java
index 713f9df..a1cfb7d 100644
--- a/src/main/java/org/eu/zajc/ef/predicate/except/all/AELongPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/predicate/except/all/AELongPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.predicate.except.all;
 
 import java.util.function.LongPredicate;
diff --git a/src/main/java/org/eu/zajc/ef/predicate/except/all/AEPredicate.java b/src/main/java/org/eu/zajc/ef/predicate/except/all/AEPredicate.java
index 6c0f26b..dd1e7af 100644
--- a/src/main/java/org/eu/zajc/ef/predicate/except/all/AEPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/predicate/except/all/AEPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.predicate.except.all;
 
 import java.util.function.Predicate;
diff --git a/src/main/java/org/eu/zajc/ef/predicate/except/all/AEShortPredicate.java b/src/main/java/org/eu/zajc/ef/predicate/except/all/AEShortPredicate.java
index 7157a77..26c718f 100644
--- a/src/main/java/org/eu/zajc/ef/predicate/except/all/AEShortPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/predicate/except/all/AEShortPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.predicate.except.all;
 
 import org.eu.zajc.ef.predicate.ShortPredicate;
diff --git a/src/main/java/org/eu/zajc/ef/runnable/except/ERunnable.java b/src/main/java/org/eu/zajc/ef/runnable/except/ERunnable.java
index d43f22c..faaefa9 100644
--- a/src/main/java/org/eu/zajc/ef/runnable/except/ERunnable.java
+++ b/src/main/java/org/eu/zajc/ef/runnable/except/ERunnable.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.runnable.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/runnable/except/all/AERunnable.java b/src/main/java/org/eu/zajc/ef/runnable/except/all/AERunnable.java
index 38aa370..8928e9c 100644
--- a/src/main/java/org/eu/zajc/ef/runnable/except/all/AERunnable.java
+++ b/src/main/java/org/eu/zajc/ef/runnable/except/all/AERunnable.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.runnable.except.all;
 
 import org.eu.zajc.ef.runnable.except.ERunnable;
diff --git a/src/main/java/org/eu/zajc/ef/supplier/ByteSupplier.java b/src/main/java/org/eu/zajc/ef/supplier/ByteSupplier.java
index 856c7d1..6141107 100644
--- a/src/main/java/org/eu/zajc/ef/supplier/ByteSupplier.java
+++ b/src/main/java/org/eu/zajc/ef/supplier/ByteSupplier.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.supplier;
 
 import java.util.function.Supplier;
diff --git a/src/main/java/org/eu/zajc/ef/supplier/ShortSupplier.java b/src/main/java/org/eu/zajc/ef/supplier/ShortSupplier.java
index 5208214..a6d749c 100644
--- a/src/main/java/org/eu/zajc/ef/supplier/ShortSupplier.java
+++ b/src/main/java/org/eu/zajc/ef/supplier/ShortSupplier.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.supplier;
 
 import java.util.function.Supplier;
diff --git a/src/main/java/org/eu/zajc/ef/supplier/except/EBooleanSupplier.java b/src/main/java/org/eu/zajc/ef/supplier/except/EBooleanSupplier.java
index 62f6441..23e5583 100644
--- a/src/main/java/org/eu/zajc/ef/supplier/except/EBooleanSupplier.java
+++ b/src/main/java/org/eu/zajc/ef/supplier/except/EBooleanSupplier.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.supplier.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/supplier/except/EByteSupplier.java b/src/main/java/org/eu/zajc/ef/supplier/except/EByteSupplier.java
index ada4f20..40e9520 100644
--- a/src/main/java/org/eu/zajc/ef/supplier/except/EByteSupplier.java
+++ b/src/main/java/org/eu/zajc/ef/supplier/except/EByteSupplier.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.supplier.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/supplier/except/EIntSupplier.java b/src/main/java/org/eu/zajc/ef/supplier/except/EIntSupplier.java
index 601e387..3d8065d 100644
--- a/src/main/java/org/eu/zajc/ef/supplier/except/EIntSupplier.java
+++ b/src/main/java/org/eu/zajc/ef/supplier/except/EIntSupplier.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.supplier.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/supplier/except/ELongSupplier.java b/src/main/java/org/eu/zajc/ef/supplier/except/ELongSupplier.java
index 952058d..864249c 100644
--- a/src/main/java/org/eu/zajc/ef/supplier/except/ELongSupplier.java
+++ b/src/main/java/org/eu/zajc/ef/supplier/except/ELongSupplier.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.supplier.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/supplier/except/EShortSupplier.java b/src/main/java/org/eu/zajc/ef/supplier/except/EShortSupplier.java
index 25f1ecc..d0f1f90 100644
--- a/src/main/java/org/eu/zajc/ef/supplier/except/EShortSupplier.java
+++ b/src/main/java/org/eu/zajc/ef/supplier/except/EShortSupplier.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.supplier.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/supplier/except/ESupplier.java b/src/main/java/org/eu/zajc/ef/supplier/except/ESupplier.java
index 9f29d2f..0bcdfbb 100644
--- a/src/main/java/org/eu/zajc/ef/supplier/except/ESupplier.java
+++ b/src/main/java/org/eu/zajc/ef/supplier/except/ESupplier.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.supplier.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/supplier/except/all/AEBooleanSupplier.java b/src/main/java/org/eu/zajc/ef/supplier/except/all/AEBooleanSupplier.java
index 1aa2b19..2d426c5 100644
--- a/src/main/java/org/eu/zajc/ef/supplier/except/all/AEBooleanSupplier.java
+++ b/src/main/java/org/eu/zajc/ef/supplier/except/all/AEBooleanSupplier.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.supplier.except.all;
 
 import java.util.function.BooleanSupplier;
diff --git a/src/main/java/org/eu/zajc/ef/supplier/except/all/AEByteSupplier.java b/src/main/java/org/eu/zajc/ef/supplier/except/all/AEByteSupplier.java
index a6ee14e..a194e00 100644
--- a/src/main/java/org/eu/zajc/ef/supplier/except/all/AEByteSupplier.java
+++ b/src/main/java/org/eu/zajc/ef/supplier/except/all/AEByteSupplier.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.supplier.except.all;
 
 import org.eu.zajc.ef.supplier.ByteSupplier;
diff --git a/src/main/java/org/eu/zajc/ef/supplier/except/all/AEIntSupplier.java b/src/main/java/org/eu/zajc/ef/supplier/except/all/AEIntSupplier.java
index 80f50ef..a022e0f 100644
--- a/src/main/java/org/eu/zajc/ef/supplier/except/all/AEIntSupplier.java
+++ b/src/main/java/org/eu/zajc/ef/supplier/except/all/AEIntSupplier.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.supplier.except.all;
 
 import java.util.function.IntSupplier;
diff --git a/src/main/java/org/eu/zajc/ef/supplier/except/all/AELongSupplier.java b/src/main/java/org/eu/zajc/ef/supplier/except/all/AELongSupplier.java
index b69b31f..4139e63 100644
--- a/src/main/java/org/eu/zajc/ef/supplier/except/all/AELongSupplier.java
+++ b/src/main/java/org/eu/zajc/ef/supplier/except/all/AELongSupplier.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.supplier.except.all;
 
 import java.util.function.LongSupplier;
diff --git a/src/main/java/org/eu/zajc/ef/supplier/except/all/AEShortSupplier.java b/src/main/java/org/eu/zajc/ef/supplier/except/all/AEShortSupplier.java
index d62673f..6b103ae 100644
--- a/src/main/java/org/eu/zajc/ef/supplier/except/all/AEShortSupplier.java
+++ b/src/main/java/org/eu/zajc/ef/supplier/except/all/AEShortSupplier.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.supplier.except.all;
 
 import org.eu.zajc.ef.supplier.ShortSupplier;
diff --git a/src/main/java/org/eu/zajc/ef/supplier/except/all/AESupplier.java b/src/main/java/org/eu/zajc/ef/supplier/except/all/AESupplier.java
index 4afe540..43311f0 100644
--- a/src/main/java/org/eu/zajc/ef/supplier/except/all/AESupplier.java
+++ b/src/main/java/org/eu/zajc/ef/supplier/except/all/AESupplier.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.supplier.except.all;
 
 import java.util.function.Supplier;
diff --git a/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjBooleanConsumer.java b/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjBooleanConsumer.java
index 6bf8563..9f2844c 100644
--- a/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjBooleanConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjBooleanConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.triconsumer;
 
 /**
diff --git a/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjByteConsumer.java b/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjByteConsumer.java
index fc429ac..8d57410 100644
--- a/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjByteConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjByteConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.triconsumer;
 
 /**
diff --git a/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjIntConsumer.java b/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjIntConsumer.java
index 602b6e6..9364b1a 100644
--- a/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjIntConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjIntConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.triconsumer;
 
 /**
diff --git a/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjLongConsumer.java b/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjLongConsumer.java
index c4c847c..d5d690e 100644
--- a/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjLongConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjLongConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.triconsumer;
 
 /**
diff --git a/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjShortConsumer.java b/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjShortConsumer.java
index 39cb607..dc73138 100644
--- a/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjShortConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/triconsumer/ObjObjShortConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.triconsumer;
 
 /**
diff --git a/src/main/java/org/eu/zajc/ef/triconsumer/TriConsumer.java b/src/main/java/org/eu/zajc/ef/triconsumer/TriConsumer.java
index 599a6b1..4bc2d93 100644
--- a/src/main/java/org/eu/zajc/ef/triconsumer/TriConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/triconsumer/TriConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.triconsumer;
 
 import java.util.function.Consumer;
diff --git a/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjBooleanConsumer.java b/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjBooleanConsumer.java
index e6514bb..4aa041b 100644
--- a/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjBooleanConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjBooleanConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.triconsumer.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjByteConsumer.java b/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjByteConsumer.java
index 9d5e3d7..d35c5c9 100644
--- a/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjByteConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjByteConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.triconsumer.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjIntConsumer.java b/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjIntConsumer.java
index 5b86efd..701d9e1 100644
--- a/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjIntConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjIntConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.triconsumer.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjLongConsumer.java b/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjLongConsumer.java
index 835dc5f..fbf5a4b 100644
--- a/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjLongConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjLongConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.triconsumer.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjShortConsumer.java b/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjShortConsumer.java
index 3203a32..1359b73 100644
--- a/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjShortConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/triconsumer/except/EObjObjShortConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.triconsumer.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/triconsumer/except/ETriConsumer.java b/src/main/java/org/eu/zajc/ef/triconsumer/except/ETriConsumer.java
index 8d09837..a2521ee 100644
--- a/src/main/java/org/eu/zajc/ef/triconsumer/except/ETriConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/triconsumer/except/ETriConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.triconsumer.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjBooleanConsumer.java b/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjBooleanConsumer.java
index 1408fd3..bed93b3 100644
--- a/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjBooleanConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjBooleanConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.triconsumer.except.all;
 
 import org.eu.zajc.ef.triconsumer.ObjObjBooleanConsumer;
diff --git a/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjByteConsumer.java b/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjByteConsumer.java
index 162abc1..ea1b8d2 100644
--- a/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjByteConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjByteConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.triconsumer.except.all;
 
 import org.eu.zajc.ef.triconsumer.ObjObjByteConsumer;
diff --git a/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjIntConsumer.java b/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjIntConsumer.java
index 0cc3f00..cc8331d 100644
--- a/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjIntConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjIntConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.triconsumer.except.all;
 
 import org.eu.zajc.ef.triconsumer.ObjObjIntConsumer;
diff --git a/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjLongConsumer.java b/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjLongConsumer.java
index 4cad48f..f8eee55 100644
--- a/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjLongConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjLongConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.triconsumer.except.all;
 
 import org.eu.zajc.ef.triconsumer.ObjObjLongConsumer;
diff --git a/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjShortConsumer.java b/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjShortConsumer.java
index d457a71..193aa8c 100644
--- a/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjShortConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AEObjObjShortConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.triconsumer.except.all;
 
 import org.eu.zajc.ef.triconsumer.ObjObjShortConsumer;
diff --git a/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AETriConsumer.java b/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AETriConsumer.java
index ad129b7..fddb75f 100644
--- a/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AETriConsumer.java
+++ b/src/main/java/org/eu/zajc/ef/triconsumer/except/all/AETriConsumer.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.triconsumer.except.all;
 
 import org.eu.zajc.ef.triconsumer.TriConsumer;
diff --git a/src/main/java/org/eu/zajc/ef/trifunction/ObjObjBooleanFunction.java b/src/main/java/org/eu/zajc/ef/trifunction/ObjObjBooleanFunction.java
index 854cd63..1ea8137 100644
--- a/src/main/java/org/eu/zajc/ef/trifunction/ObjObjBooleanFunction.java
+++ b/src/main/java/org/eu/zajc/ef/trifunction/ObjObjBooleanFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.trifunction;
 
 import java.util.function.Function;
diff --git a/src/main/java/org/eu/zajc/ef/trifunction/ObjObjByteFunction.java b/src/main/java/org/eu/zajc/ef/trifunction/ObjObjByteFunction.java
index 0fcaa49..d6da2e8 100644
--- a/src/main/java/org/eu/zajc/ef/trifunction/ObjObjByteFunction.java
+++ b/src/main/java/org/eu/zajc/ef/trifunction/ObjObjByteFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.trifunction;
 
 import java.util.function.Function;
diff --git a/src/main/java/org/eu/zajc/ef/trifunction/ObjObjIntFunction.java b/src/main/java/org/eu/zajc/ef/trifunction/ObjObjIntFunction.java
index 580cb7f..aed4799 100644
--- a/src/main/java/org/eu/zajc/ef/trifunction/ObjObjIntFunction.java
+++ b/src/main/java/org/eu/zajc/ef/trifunction/ObjObjIntFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.trifunction;
 
 import java.util.function.Function;
diff --git a/src/main/java/org/eu/zajc/ef/trifunction/ObjObjLongFunction.java b/src/main/java/org/eu/zajc/ef/trifunction/ObjObjLongFunction.java
index c67ec40..6c6f984 100644
--- a/src/main/java/org/eu/zajc/ef/trifunction/ObjObjLongFunction.java
+++ b/src/main/java/org/eu/zajc/ef/trifunction/ObjObjLongFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.trifunction;
 
 import java.util.function.Function;
diff --git a/src/main/java/org/eu/zajc/ef/trifunction/ObjObjShortFunction.java b/src/main/java/org/eu/zajc/ef/trifunction/ObjObjShortFunction.java
index 2ce6c63..aea97ef 100644
--- a/src/main/java/org/eu/zajc/ef/trifunction/ObjObjShortFunction.java
+++ b/src/main/java/org/eu/zajc/ef/trifunction/ObjObjShortFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.trifunction;
 
 import java.util.function.Function;
diff --git a/src/main/java/org/eu/zajc/ef/trifunction/TriFunction.java b/src/main/java/org/eu/zajc/ef/trifunction/TriFunction.java
index 32f9dd5..3987f87 100644
--- a/src/main/java/org/eu/zajc/ef/trifunction/TriFunction.java
+++ b/src/main/java/org/eu/zajc/ef/trifunction/TriFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.trifunction;
 
 import java.util.function.Function;
diff --git a/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjBooleanFunction.java b/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjBooleanFunction.java
index d838239..1425b26 100644
--- a/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjBooleanFunction.java
+++ b/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjBooleanFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.trifunction.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjByteFunction.java b/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjByteFunction.java
index 825c39c..79ed6b9 100644
--- a/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjByteFunction.java
+++ b/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjByteFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 
 package org.eu.zajc.ef.trifunction.except;
 
diff --git a/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjIntFunction.java b/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjIntFunction.java
index 4eca007..9c8004a 100644
--- a/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjIntFunction.java
+++ b/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjIntFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.trifunction.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjLongFunction.java b/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjLongFunction.java
index b84e873..b0deb97 100644
--- a/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjLongFunction.java
+++ b/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjLongFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.trifunction.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjShortFunction.java b/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjShortFunction.java
index db69fd2..4a82389 100644
--- a/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjShortFunction.java
+++ b/src/main/java/org/eu/zajc/ef/trifunction/except/EObjObjShortFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.trifunction.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/trifunction/except/ETriFunction.java b/src/main/java/org/eu/zajc/ef/trifunction/except/ETriFunction.java
index 7442fdd..d190722 100644
--- a/src/main/java/org/eu/zajc/ef/trifunction/except/ETriFunction.java
+++ b/src/main/java/org/eu/zajc/ef/trifunction/except/ETriFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.trifunction.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjBooleanFunction.java b/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjBooleanFunction.java
index ffa14d0..d640023 100644
--- a/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjBooleanFunction.java
+++ b/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjBooleanFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.trifunction.except.all;
 
 import org.eu.zajc.ef.trifunction.ObjObjBooleanFunction;
diff --git a/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjByteFunction.java b/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjByteFunction.java
index 44612c2..40dd88c 100644
--- a/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjByteFunction.java
+++ b/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjByteFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.trifunction.except.all;
 
 import org.eu.zajc.ef.trifunction.ObjObjByteFunction;
diff --git a/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjIntFunction.java b/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjIntFunction.java
index e545fc8..bfbce01 100644
--- a/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjIntFunction.java
+++ b/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjIntFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.trifunction.except.all;
 
 import org.eu.zajc.ef.trifunction.ObjObjIntFunction;
diff --git a/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjLongFunction.java b/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjLongFunction.java
index a890598..9cf7808 100644
--- a/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjLongFunction.java
+++ b/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjLongFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.trifunction.except.all;
 
 import org.eu.zajc.ef.trifunction.ObjObjLongFunction;
diff --git a/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjShortFunction.java b/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjShortFunction.java
index eef1fb9..2adf0c5 100644
--- a/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjShortFunction.java
+++ b/src/main/java/org/eu/zajc/ef/trifunction/except/all/AEObjObjShortFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.trifunction.except.all;
 
 import org.eu.zajc.ef.trifunction.ObjObjShortFunction;
diff --git a/src/main/java/org/eu/zajc/ef/trifunction/except/all/AETriFunction.java b/src/main/java/org/eu/zajc/ef/trifunction/except/all/AETriFunction.java
index a209fa1..85d479e 100644
--- a/src/main/java/org/eu/zajc/ef/trifunction/except/all/AETriFunction.java
+++ b/src/main/java/org/eu/zajc/ef/trifunction/except/all/AETriFunction.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.trifunction.except.all;
 
 import org.eu.zajc.ef.trifunction.TriFunction;
diff --git a/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjBooleanPredicate.java b/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjBooleanPredicate.java
index 9b51159..8cd06a4 100644
--- a/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjBooleanPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjBooleanPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.tripredicate;
 
 /**
diff --git a/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjBytePredicate.java b/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjBytePredicate.java
index 823f8eb..87cf6c8 100644
--- a/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjBytePredicate.java
+++ b/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjBytePredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.tripredicate;
 
 /**
diff --git a/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjIntPredicate.java b/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjIntPredicate.java
index fb6e419..48b7320 100644
--- a/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjIntPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjIntPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.tripredicate;
 
 /**
diff --git a/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjLongPredicate.java b/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjLongPredicate.java
index 248fe81..3f0f9f1 100644
--- a/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjLongPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjLongPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.tripredicate;
 
 /**
diff --git a/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjShortPredicate.java b/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjShortPredicate.java
index 977edf4..8a76ab7 100644
--- a/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjShortPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/tripredicate/ObjObjShortPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.tripredicate;
 
 /**
diff --git a/src/main/java/org/eu/zajc/ef/tripredicate/TriPredicate.java b/src/main/java/org/eu/zajc/ef/tripredicate/TriPredicate.java
index 27fedb1..2e0681a 100644
--- a/src/main/java/org/eu/zajc/ef/tripredicate/TriPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/tripredicate/TriPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.tripredicate;
 
 import java.util.function.Predicate;
diff --git a/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjBooleanPredicate.java b/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjBooleanPredicate.java
index 1ea3a1b..bf2a906 100644
--- a/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjBooleanPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjBooleanPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.tripredicate.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjBytePredicate.java b/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjBytePredicate.java
index f94d3f3..c096ae8 100644
--- a/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjBytePredicate.java
+++ b/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjBytePredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.tripredicate.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjIntPredicate.java b/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjIntPredicate.java
index d07bb9b..550e3f7 100644
--- a/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjIntPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjIntPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.tripredicate.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjLongPredicate.java b/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjLongPredicate.java
index bafb1c8..c02074d 100644
--- a/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjLongPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjLongPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.tripredicate.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjShortPredicate.java b/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjShortPredicate.java
index 20e4f71..9dd2d66 100644
--- a/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjShortPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/tripredicate/except/EObjObjShortPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.tripredicate.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/tripredicate/except/ETriPredicate.java b/src/main/java/org/eu/zajc/ef/tripredicate/except/ETriPredicate.java
index 04b34df..809ea88 100644
--- a/src/main/java/org/eu/zajc/ef/tripredicate/except/ETriPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/tripredicate/except/ETriPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.tripredicate.except;
 
 import static org.eu.zajc.ef.Utilities.asUnchecked;
diff --git a/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjBooleanPredicate.java b/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjBooleanPredicate.java
index 0337fe3..8a5e30f 100644
--- a/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjBooleanPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjBooleanPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.tripredicate.except.all;
 
 import org.eu.zajc.ef.tripredicate.ObjObjBooleanPredicate;
diff --git a/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjBytePredicate.java b/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjBytePredicate.java
index 964ca1f..15e2e00 100644
--- a/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjBytePredicate.java
+++ b/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjBytePredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.tripredicate.except.all;
 
 import org.eu.zajc.ef.tripredicate.ObjObjBytePredicate;
diff --git a/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjIntPredicate.java b/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjIntPredicate.java
index 0773951..2b848ad 100644
--- a/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjIntPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjIntPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.tripredicate.except.all;
 
 import org.eu.zajc.ef.tripredicate.ObjObjIntPredicate;
diff --git a/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjLongPredicate.java b/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjLongPredicate.java
index 070c93c..538beac 100644
--- a/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjLongPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjLongPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.tripredicate.except.all;
 
 import org.eu.zajc.ef.tripredicate.ObjObjLongPredicate;
diff --git a/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjShortPredicate.java b/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjShortPredicate.java
index b1158f1..cbbb78b 100644
--- a/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjShortPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AEObjObjShortPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.tripredicate.except.all;
 
 import org.eu.zajc.ef.tripredicate.ObjObjShortPredicate;
diff --git a/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AETriPredicate.java b/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AETriPredicate.java
index 6fadefa..ef51a38 100644
--- a/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AETriPredicate.java
+++ b/src/main/java/org/eu/zajc/ef/tripredicate/except/all/AETriPredicate.java
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+/*
+ * extended-functions
+ * Copyright (C) 2021-2023 Marko Zajc
+ *
+ * This library is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package org.eu.zajc.ef.tripredicate.except.all;
 
 import org.eu.zajc.ef.tripredicate.TriPredicate;