[fixes #2682] Fix NPE, always add Javadoc return statement

test/transform/resource/after-ecj/WithAndAllArgsConstructor.java

@@ -4,9 +4,15 @@
   final int x = 10;
   int y = 20;
   final int z;
+  /**
+   * @return a clone of this object, except with this updated property (returns {@code this} if an identical value is passed).
+   */
   public @java.lang.SuppressWarnings("all") WithAndAllArgsConstructor<T, J, L> withTest(final J test) {
     return ((this.test == test) ? this : new WithAndAllArgsConstructor<T, J, L>(test, this.test2, this.y, this.z));
   }
+  /**
+   * @return a clone of this object, except with this updated property (returns {@code this} if an identical value is passed).
+   */
   public @java.lang.SuppressWarnings("all") WithAndAllArgsConstructor<T, J, L> withTest2(final java.util.List<L> test2) {
     return ((this.test2 == test2) ? this : new WithAndAllArgsConstructor<T, J, L>(this.test, test2, this.y, this.z));
   }