test case for custom builder method

test/transform/resource/before/SuperBuilderWithCustomBuilderMethod.java

@@ -0,0 +1,21 @@
+import java.util.List;
+
+public class SuperBuilderWithCustomBuilderMethod {
+	@lombok.experimental.SuperBuilder
+	public static class Parent<A> {
+		A field1;
+		@lombok.Singular List<String> items;
+	}
+	
+	@lombok.experimental.SuperBuilder
+	public static class Child<A> extends Parent<A> {
+		double field3;
+		public static <A> ChildBuilder<A, ?, ?> builder() {
+			return new ChildBuilderImpl<A>().item("default item");
+		}
+	}
+	
+	public static void test() {
+		Child<Integer> x = Child.<Integer>builder().field3(0.0).field1(5).item("").build();
+	}
+}