[fixes #2006] Delegate now excludes already implemented methods

test/transform/resource/before/DelegateAlreadyImplemented.java

@@ -0,0 +1,45 @@
+public class DelegateAlreadyImplemented<T> {
+	
+	@lombok.experimental.Delegate
+	private A<Integer, T> a;
+	
+	public void a() {
+	}
+	
+	public void b(java.util.List<String> l) {
+	}
+	
+	public void c(java.util.List<Integer> l, String[] a, Integer... varargs) {
+	}
+	
+	public void d(String[][][][] d) {
+	}
+	
+	public <Y> void e(Y x) {
+	}
+	
+	@SuppressWarnings("unchecked")
+	public void f(T s, java.util.List<T> l, T[] a, T... varargs) {
+	}
+	
+	public void g(Number g) {
+	}
+}
+
+interface A<T, T2> {
+	public void a();
+	
+	public void b(java.util.List<T> l);
+	
+	@SuppressWarnings("unchecked")
+	public void c(java.util.List<T> l, String[] a, T... varargs);
+	
+	public void d(String[][][][] d);
+	
+	public <X> X e(X x);
+	
+	@SuppressWarnings("unchecked")
+	public void f(T2 s, java.util.List<T2> l, T2[] a, T2... varargs);
+	
+	public <G extends Number> void g(G g);
+}