SuperBuilder: allow customization of selected methods

test/transform/resource/before/SuperBuilderCustomized.java

@@ -0,0 +1,33 @@
+import java.util.List;
+
+public class SuperBuilderCustomized {
+	@lombok.experimental.SuperBuilder
+	public static class Parent {
+		public static abstract class ParentBuilder<C extends Parent, B extends ParentBuilder<C, B>> {
+			public B resetToDefault() {
+				field1 = 0;
+				return self();
+			}
+		}
+		int field1;
+	}
+	
+	@lombok.experimental.SuperBuilder
+	public static class Child extends Parent {
+		private static final class ChildBuilderImpl extends ChildBuilder<Child, ChildBuilderImpl> {
+			@Override
+			public Child build() {
+				this.resetToDefault();
+				return new Child(this);
+			}
+		}
+		double field2;
+		public static ChildBuilder<?, ?> builder() {
+			return new ChildBuilderImpl().field2(10.0);
+		}
+	}
+	
+	public static void test() {
+		Child x = Child.builder().field2(1.0).field1(5).resetToDefault().build();
+	}
+}