import java.util.Map; public class SuperBuilderWithGenericsAndToBuilder { public static @lombok.experimental.SuperBuilder(toBuilder = true) class Parent<A> { public static abstract @java.lang.SuppressWarnings("all") class ParentBuilder<A, C extends SuperBuilderWithGenericsAndToBuilder.Parent<A>, B extends SuperBuilderWithGenericsAndToBuilder.Parent.ParentBuilder<A, C, B>> { private @java.lang.SuppressWarnings("all") A field1; private @java.lang.SuppressWarnings("all") java.util.ArrayList<Integer> items$key; private @java.lang.SuppressWarnings("all") java.util.ArrayList<String> items$value; public ParentBuilder() { super(); } protected @java.lang.SuppressWarnings("all") B $fillValuesFrom(final C instance) { SuperBuilderWithGenericsAndToBuilder.Parent.ParentBuilder.$fillValuesFromInstanceIntoBuilder(instance, this); return self(); } private static @java.lang.SuppressWarnings("all") <A>void $fillValuesFromInstanceIntoBuilder(final SuperBuilderWithGenericsAndToBuilder.Parent<A> instance, final SuperBuilderWithGenericsAndToBuilder.Parent.ParentBuilder<A, ?, ?> b) { b.field1(instance.field1); b.items(((instance.items == null) ? java.util.Collections.emptyMap() : instance.items)); } protected abstract @java.lang.SuppressWarnings("all") B self(); public abstract @java.lang.SuppressWarnings("all") C build(); public @java.lang.SuppressWarnings("all") B field1(final A field1) { this.field1 = field1; return self(); } public @java.lang.SuppressWarnings("all") B item(final Integer itemKey, final String itemValue) { if ((this.items$key == null)) { this.items$key = new java.util.ArrayList<Integer>(); this.items$value = new java.util.ArrayList<String>(); } this.items$key.add(itemKey); this.items$value.add(itemValue); return self(); } public @java.lang.SuppressWarnings("all") B items(final java.util.Map<? extends Integer, ? extends String> items) { if ((items == null)) { throw new java.lang.NullPointerException("items cannot be null"); } if ((this.items$key == null)) { this.items$key = new java.util.ArrayList<Integer>(); this.items$value = new java.util.ArrayList<String>(); } for (java.util.Map.Entry<? extends Integer, ? extends String> $lombokEntry : items.entrySet()) { this.items$key.add($lombokEntry.getKey()); this.items$value.add($lombokEntry.getValue()); } return self(); } public @java.lang.SuppressWarnings("all") B clearItems() { if ((this.items$key != null)) { this.items$key.clear(); this.items$value.clear(); } return self(); } public @java.lang.Override @java.lang.SuppressWarnings("all") java.lang.String toString() { return (((((("SuperBuilderWithGenericsAndToBuilder.Parent.ParentBuilder(field1=" + this.field1) + ", items$key=") + this.items$key) + ", items$value=") + this.items$value) + ")"); } } private static final @java.lang.SuppressWarnings("all") class ParentBuilderImpl<A> extends SuperBuilderWithGenericsAndToBuilder.Parent.ParentBuilder<A, SuperBuilderWithGenericsAndToBuilder.Parent<A>, SuperBuilderWithGenericsAndToBuilder.Parent.ParentBuilderImpl<A>> { private ParentBuilderImpl() { super(); } protected @java.lang.Override @java.lang.SuppressWarnings("all") SuperBuilderWithGenericsAndToBuilder.Parent.ParentBuilderImpl<A> self() { return this; } public @java.lang.Override @java.lang.SuppressWarnings("all") SuperBuilderWithGenericsAndToBuilder.Parent<A> build() { return new SuperBuilderWithGenericsAndToBuilder.Parent<A>(this); } } A field1; @lombok.Singular Map<Integer, String> items; protected @java.lang.SuppressWarnings("all") Parent(final SuperBuilderWithGenericsAndToBuilder.Parent.ParentBuilder<A, ?, ?> b) { super(); this.field1 = b.field1; java.util.Map<Integer, String> items; switch (((b.items$key == null) ? 0 : b.items$key.size())) { case 0 : items = java.util.Collections.emptyMap(); break; case 1 : items = java.util.Collections.singletonMap(b.items$key.get(0), b.items$value.get(0)); break; default : items = new java.util.LinkedHashMap<Integer, String>(((b.items$key.size() < 0x40000000) ? ((1 + b.items$key.size()) + ((b.items$key.size() - 3) / 3)) : java.lang.Integer.MAX_VALUE)); for (int $i = 0;; ($i < b.items$key.size()); $i ++) items.put(b.items$key.get($i), b.items$value.get($i)); items = java.util.Collections.unmodifiableMap(items); } this.items = items; } public @java.lang.SuppressWarnings("all") SuperBuilderWithGenericsAndToBuilder.Parent.ParentBuilder<A, ?, ?> toBuilder() { return new SuperBuilderWithGenericsAndToBuilder.Parent.ParentBuilderImpl<A>().$fillValuesFrom(this); } public static @java.lang.SuppressWarnings("all") <A>SuperBuilderWithGenericsAndToBuilder.Parent.ParentBuilder<A, ?, ?> builder() { return new SuperBuilderWithGenericsAndToBuilder.Parent.ParentBuilderImpl<A>(); } } public static @lombok.experimental.SuperBuilder(toBuilder = true) class Child<A> extends Parent<A> { public static abstract @java.lang.SuppressWarnings("all") class ChildBuilder<A, C extends SuperBuilderWithGenericsAndToBuilder.Child<A>, B extends SuperBuilderWithGenericsAndToBuilder.Child.ChildBuilder<A, C, B>> extends Parent.ParentBuilder<A, C, B> { private @java.lang.SuppressWarnings("all") double field3; public ChildBuilder() { super(); } protected @java.lang.Override @java.lang.SuppressWarnings("all") B $fillValuesFrom(final C instance) { super.$fillValuesFrom(instance); SuperBuilderWithGenericsAndToBuilder.Child.ChildBuilder.$fillValuesFromInstanceIntoBuilder(instance, this); return self(); } private static @java.lang.SuppressWarnings("all") <A>void $fillValuesFromInstanceIntoBuilder(final SuperBuilderWithGenericsAndToBuilder.Child<A> instance, final SuperBuilderWithGenericsAndToBuilder.Child.ChildBuilder<A, ?, ?> b) { b.field3(instance.field3); } protected abstract @java.lang.Override @java.lang.SuppressWarnings("all") B self(); public abstract @java.lang.Override @java.lang.SuppressWarnings("all") C build(); public @java.lang.SuppressWarnings("all") B field3(final double field3) { this.field3 = field3; return self(); } public @java.lang.Override @java.lang.SuppressWarnings("all") java.lang.String toString() { return (((("SuperBuilderWithGenericsAndToBuilder.Child.ChildBuilder(super=" + super.toString()) + ", field3=") + this.field3) + ")"); } } private static final @java.lang.SuppressWarnings("all") class ChildBuilderImpl<A> extends SuperBuilderWithGenericsAndToBuilder.Child.ChildBuilder<A, SuperBuilderWithGenericsAndToBuilder.Child<A>, SuperBuilderWithGenericsAndToBuilder.Child.ChildBuilderImpl<A>> { private ChildBuilderImpl() { super(); } protected @java.lang.Override @java.lang.SuppressWarnings("all") SuperBuilderWithGenericsAndToBuilder.Child.ChildBuilderImpl<A> self() { return this; } public @java.lang.Override @java.lang.SuppressWarnings("all") SuperBuilderWithGenericsAndToBuilder.Child<A> build() { return new SuperBuilderWithGenericsAndToBuilder.Child<A>(this); } } double field3; protected @java.lang.SuppressWarnings("all") Child(final SuperBuilderWithGenericsAndToBuilder.Child.ChildBuilder<A, ?, ?> b) { super(b); this.field3 = b.field3; } public @java.lang.SuppressWarnings("all") SuperBuilderWithGenericsAndToBuilder.Child.ChildBuilder<A, ?, ?> toBuilder() { return new SuperBuilderWithGenericsAndToBuilder.Child.ChildBuilderImpl<A>().$fillValuesFrom(this); } public static @java.lang.SuppressWarnings("all") <A>SuperBuilderWithGenericsAndToBuilder.Child.ChildBuilder<A, ?, ?> builder() { return new SuperBuilderWithGenericsAndToBuilder.Child.ChildBuilderImpl<A>(); } } public SuperBuilderWithGenericsAndToBuilder() { super(); } public static void test() { Child<Integer> x = Child.<Integer>builder().field3(0.0).field1(5).item(5, "").build().toBuilder().build(); } }