[fixes #2382] Handle generic supertypes

test/transform/resource/before/DelegateGenerics.java

@@ -0,0 +1,14 @@
+public class DelegateGenerics<T> {
+	@lombok.experimental.Delegate
+	I1<T> target;
+}
+
+interface I1<T> extends I2<T, Integer, String> {
+}
+interface I2<A, T, I> extends I3<Integer, I, A> {
+}
+interface I3<T, I, A> {
+	public T t(T t);
+	public I i(I a);
+	public A a(A a);
+}