[i623] added eclipse code for generating @javax.annotation.Generated, and refactored java impl to reduce DRY violations. -f pretty now includes skipping generation of this annotation, and updated ALL the test cases.

test/transform/resource/after-delombok/EqualsAndHashCodeWithExistingMethods.java

@@ -17,6 +17,7 @@ final class EqualsAndHashCodeWithExistingMethods3 extends EqualsAndHashCodeWithE
 	}
 	@java.lang.Override
 	@java.lang.SuppressWarnings("all")
+	@javax.annotation.Generated("lombok")
 	public boolean equals(final java.lang.Object o) {
 		if (o == this) return true;
 		if (!(o instanceof EqualsAndHashCodeWithExistingMethods3)) return false;
@@ -28,6 +29,7 @@ final class EqualsAndHashCodeWithExistingMethods3 extends EqualsAndHashCodeWithE
 	}
 	@java.lang.Override
 	@java.lang.SuppressWarnings("all")
+	@javax.annotation.Generated("lombok")
 	public int hashCode() {
 		final int PRIME = 59;
 		int result = 1;