public class SuperBuilderAbstractToBuilder { public static @lombok.experimental.SuperBuilder(toBuilder = true) class Parent { public static abstract @java.lang.SuppressWarnings("all") class ParentBuilder<C extends Parent, B extends ParentBuilder<C, B>> { private @java.lang.SuppressWarnings("all") int parentField; public ParentBuilder() { super(); } protected @java.lang.SuppressWarnings("all") B $fillValuesFrom(final C instance) { ParentBuilder.$fillValuesFromInstanceIntoBuilder(instance, this); return self(); } private static @java.lang.SuppressWarnings("all") void $fillValuesFromInstanceIntoBuilder(final Parent instance, final ParentBuilder<?, ?> b) { b.parentField(instance.parentField); } protected abstract @java.lang.SuppressWarnings("all") B self(); public abstract @java.lang.SuppressWarnings("all") C build(); public @java.lang.SuppressWarnings("all") B parentField(final int parentField) { this.parentField = parentField; return self(); } public @java.lang.Override @java.lang.SuppressWarnings("all") java.lang.String toString() { return (("SuperBuilderAbstractToBuilder.Parent.ParentBuilder(parentField=" + this.parentField) + ")"); } } private static final @java.lang.SuppressWarnings("all") class ParentBuilderImpl extends ParentBuilder<Parent, ParentBuilderImpl> { private ParentBuilderImpl() { super(); } protected @java.lang.Override @java.lang.SuppressWarnings("all") ParentBuilderImpl self() { return this; } public @java.lang.Override @java.lang.SuppressWarnings("all") Parent build() { return new Parent(this); } } int parentField; protected @java.lang.SuppressWarnings("all") Parent(final ParentBuilder<?, ?> b) { super(); this.parentField = b.parentField; } public @java.lang.SuppressWarnings("all") ParentBuilder<?, ?> toBuilder() { return new ParentBuilderImpl().$fillValuesFrom(this); } public static @java.lang.SuppressWarnings("all") ParentBuilder<?, ?> builder() { return new ParentBuilderImpl(); } } public static abstract @lombok.experimental.SuperBuilder(toBuilder = true) class Child extends Parent { public static abstract @java.lang.SuppressWarnings("all") class ChildBuilder<C extends Child, B extends ChildBuilder<C, B>> extends Parent.ParentBuilder<C, B> { private @java.lang.SuppressWarnings("all") double childField; public ChildBuilder() { super(); } protected @java.lang.Override @java.lang.SuppressWarnings("all") B $fillValuesFrom(final C instance) { super.$fillValuesFrom(instance); ChildBuilder.$fillValuesFromInstanceIntoBuilder(instance, this); return self(); } private static @java.lang.SuppressWarnings("all") void $fillValuesFromInstanceIntoBuilder(final Child instance, final ChildBuilder<?, ?> b) { b.childField(instance.childField); } protected abstract @java.lang.Override @java.lang.SuppressWarnings("all") B self(); public abstract @java.lang.Override @java.lang.SuppressWarnings("all") C build(); public @java.lang.SuppressWarnings("all") B childField(final double childField) { this.childField = childField; return self(); } public @java.lang.Override @java.lang.SuppressWarnings("all") java.lang.String toString() { return (((("SuperBuilderAbstractToBuilder.Child.ChildBuilder(super=" + super.toString()) + ", childField=") + this.childField) + ")"); } } double childField; protected @java.lang.SuppressWarnings("all") Child(final ChildBuilder<?, ?> b) { super(b); this.childField = b.childField; } } public static @lombok.experimental.SuperBuilder(toBuilder = true) class GrandChild extends Child { public static abstract @java.lang.SuppressWarnings("all") class GrandChildBuilder<C extends GrandChild, B extends GrandChildBuilder<C, B>> extends Child.ChildBuilder<C, B> { private @java.lang.SuppressWarnings("all") String grandChildField; public GrandChildBuilder() { super(); } protected @java.lang.Override @java.lang.SuppressWarnings("all") B $fillValuesFrom(final C instance) { super.$fillValuesFrom(instance); GrandChildBuilder.$fillValuesFromInstanceIntoBuilder(instance, this); return self(); } private static @java.lang.SuppressWarnings("all") void $fillValuesFromInstanceIntoBuilder(final GrandChild instance, final GrandChildBuilder<?, ?> b) { b.grandChildField(instance.grandChildField); } protected abstract @java.lang.Override @java.lang.SuppressWarnings("all") B self(); public abstract @java.lang.Override @java.lang.SuppressWarnings("all") C build(); public @java.lang.SuppressWarnings("all") B grandChildField(final String grandChildField) { this.grandChildField = grandChildField; return self(); } public @java.lang.Override @java.lang.SuppressWarnings("all") java.lang.String toString() { return (((("SuperBuilderAbstractToBuilder.GrandChild.GrandChildBuilder(super=" + super.toString()) + ", grandChildField=") + this.grandChildField) + ")"); } } private static final @java.lang.SuppressWarnings("all") class GrandChildBuilderImpl extends GrandChildBuilder<GrandChild, GrandChildBuilderImpl> { private GrandChildBuilderImpl() { super(); } protected @java.lang.Override @java.lang.SuppressWarnings("all") GrandChildBuilderImpl self() { return this; } public @java.lang.Override @java.lang.SuppressWarnings("all") GrandChild build() { return new GrandChild(this); } } String grandChildField; protected @java.lang.SuppressWarnings("all") GrandChild(final GrandChildBuilder<?, ?> b) { super(b); this.grandChildField = b.grandChildField; } public @java.lang.SuppressWarnings("all") GrandChildBuilder<?, ?> toBuilder() { return new GrandChildBuilderImpl().$fillValuesFrom(this); } public static @java.lang.SuppressWarnings("all") GrandChildBuilder<?, ?> builder() { return new GrandChildBuilderImpl(); } } public SuperBuilderAbstractToBuilder() { super(); } public static void test() { GrandChild x = GrandChild.builder().grandChildField("").parentField(5).childField(2.5).build().toBuilder().build(); } }