jodd-core/src/main/java/jodd/util/ClassUtil.java
public static boolean compareDeclarations(final Method first, final Method second) {
		if (first.getReturnType() != second.getReturnType()) {
			return false;
		}
		return compareSignatures(first, second);
	}
public static boolean compareDeclarations(final Method first, final Method second) {
		if (first.getReturnType() != second.getReturnType()) {
			return false;
		}
		return compareSignatures(first, second);
	}
Compares method declarations: signature and return types.