[fixes #3474] ASM + lombok on the classpath at runtime would cause a split package error if using the module system

doc/changelog.markdown

@@ -2,7 +2,7 @@ Lombok Changelog
 ----------------
 
 ### v1.18.29 "Edgy Guinea Pig"
-* We recently released v1.18.28; there is no edge release since then.
+* BUGFIX: If using the module system and lombok is on the runtime classpath (shouldn't be, but happens), you'd get a split package error: `Package org.objectweb.asm in both module lombok and module org.objectweb.asm`. [Issue #3474](https://github.com/projectlombok/lombok/issues/3474)
 
 ### v1.18.28 (May 24th, 2023)
 * PLATFORM: JDK20 support added. [Issue #3353](https://github.com/projectlombok/lombok/issues/3353).

src/core/lombok/bytecode/ClassFileMetaData.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010-2019 The Project Lombok Authors.
+ * Copyright (C) 2010-2023 The Project Lombok Authors.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal

src/launch/lombok/launch/ClassFileMetaData.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010-2019 The Project Lombok Authors.
+ * Copyright (C) 2010-2023 The Project Lombok Authors.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal

src/launch/lombok/launch/PackageShader.java

@@ -1,3 +1,24 @@
+/*
+ * Copyright (C) 2023 The Project Lombok Authors.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
 package lombok.launch;
 
 import java.io.UnsupportedEncodingException;

src/launch/lombok/launch/ShadowClassLoader.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2021 The Project Lombok Authors.
+ * Copyright (C) 2014-2023 The Project Lombok Authors.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -34,7 +34,6 @@ import java.net.URI;
 import java.net.URL;
 import java.net.URLDecoder;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collections;
 import java.util.Enumeration;
 import java.util.HashMap;