[fixes #2006] Delegate now excludes already implemented methods

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

@@ -0,0 +1,29 @@
+public class DelegateAlreadyImplemented<T> {
+  private @lombok.experimental.Delegate A<Integer, T> a;
+  public DelegateAlreadyImplemented() {
+    super();
+  }
+  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) {
+  }
+  public @SuppressWarnings("unchecked") 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);
+  public @SuppressWarnings("unchecked") void c(java.util.List<T> l, String[] a, T... varargs);
+  public void d(String[][][][] d);
+  public <X>X e(X x);
+  public @SuppressWarnings("unchecked") void f(T2 s, java.util.List<T2> l, T2[] a, T2... varargs);
+  public <G extends Number>void g(G g);
+}