Add license headers

Author: mattbertolini

src/main/java/org/assertj/eclipse/collections/api/Assertions.java

@@ -1,3 +1,15 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * Copyright 2025-2025 the original author or authors.
+ */
 package org.assertj.eclipse.collections.api;
 
 import org.assertj.core.util.CheckReturnValue;

src/main/java/org/assertj/eclipse/collections/api/EclipseCollectionsSoftAssertionsProvider.java

@@ -1,3 +1,15 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * Copyright 2025-2025 the original author or authors.
+ */
 package org.assertj.eclipse.collections.api;
 
 import org.assertj.core.api.SoftAssertionsProvider;

src/main/java/org/assertj/eclipse/collections/api/SoftAssertions.java

@@ -1,3 +1,15 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * Copyright 2025-2025 the original author or authors.
+ */
 package org.assertj.eclipse.collections.api;
 
 import org.assertj.core.api.AbstractSoftAssertions;

src/main/java/org/assertj/eclipse/collections/api/multimap/AbstractMultimapAssert.java

@@ -1,3 +1,15 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * Copyright 2025-2025 the original author or authors.
+ */
 package org.assertj.eclipse.collections.api.multimap;
 
 import static java.util.Objects.requireNonNull;

src/main/java/org/assertj/eclipse/collections/api/multimap/bag/BagMultimapAssert.java

@@ -1,3 +1,15 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * Copyright 2025-2025 the original author or authors.
+ */
 package org.assertj.eclipse.collections.api.multimap.bag;
 
 import org.assertj.eclipse.collections.api.multimap.AbstractMultimapAssert;

src/main/java/org/assertj/eclipse/collections/api/multimap/bag/package-info.java

@@ -1 +1,13 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * Copyright 2025-2025 the original author or authors.
+ */
 package org.assertj.eclipse.collections.api.multimap.bag;

src/main/java/org/assertj/eclipse/collections/api/multimap/list/ListMultimapAssert.java

@@ -1,3 +1,15 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * Copyright 2025-2025 the original author or authors.
+ */
 package org.assertj.eclipse.collections.api.multimap.list;
 
 import org.assertj.eclipse.collections.api.multimap.AbstractMultimapAssert;

src/main/java/org/assertj/eclipse/collections/api/multimap/list/package-info.java

@@ -1 +1,13 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * Copyright 2025-2025 the original author or authors.
+ */
 package org.assertj.eclipse.collections.api.multimap.list;

src/main/java/org/assertj/eclipse/collections/api/multimap/package-info.java

@@ -1 +1,13 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * Copyright 2025-2025 the original author or authors.
+ */
 package org.assertj.eclipse.collections.api.multimap;

src/main/java/org/assertj/eclipse/collections/api/multimap/set/SetMultimapAssert.java

@@ -1,3 +1,15 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * Copyright 2025-2025 the original author or authors.
+ */
 package org.assertj.eclipse.collections.api.multimap.set;
 
 import org.assertj.eclipse.collections.api.multimap.AbstractMultimapAssert;