[fixes #1918] toString now supports a configkey to tell it how to deal with super.

test/transform/resource/after-delombok/ToStringAutoSuper.java

@@ -0,0 +1,15 @@
+class ToStringAutoSuperWithNoParent {
+	@java.lang.Override
+	@java.lang.SuppressWarnings("all")
+	public java.lang.String toString() {
+		return "ToStringAutoSuperWithNoParent()";
+	}
+}
+
+class ToStringAutoSuperWithParent extends ToStringAutoSuperWithNoParent {
+	@java.lang.Override
+	@java.lang.SuppressWarnings("all")
+	public java.lang.String toString() {
+		return "ToStringAutoSuperWithParent(super=" + super.toString() + ")";
+	}
+}