import java.util.List; public class SuperBuilderWithNonNull { public static @lombok.experimental.SuperBuilder class Parent { public static abstract @java.lang.SuppressWarnings("all") class ParentBuilder<C extends Parent, B extends ParentBuilder<C, B>> { private @java.lang.SuppressWarnings("all") String nonNullParentField$value; private @java.lang.SuppressWarnings("all") boolean nonNullParentField$set; public ParentBuilder() { super(); } protected abstract @java.lang.SuppressWarnings("all") B self(); public abstract @java.lang.SuppressWarnings("all") C build(); public @java.lang.SuppressWarnings("all") B nonNullParentField(final @lombok.NonNull String nonNullParentField) { if ((nonNullParentField == null)) { throw new java.lang.NullPointerException("nonNullParentField is marked non-null but is null"); } this.nonNullParentField$value = nonNullParentField; nonNullParentField$set = true; return self(); } public @java.lang.Override @java.lang.SuppressWarnings("all") java.lang.String toString() { return (("SuperBuilderWithNonNull.Parent.ParentBuilder(nonNullParentField$value=" + this.nonNullParentField$value) + ")"); } } 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); } } final @lombok.NonNull @lombok.Builder.Default String nonNullParentField; private static @java.lang.SuppressWarnings("all") String $default$nonNullParentField() { return "default"; } protected @java.lang.SuppressWarnings("all") Parent(final ParentBuilder<?, ?> b) { super(); if (b.nonNullParentField$set) this.nonNullParentField = b.nonNullParentField$value; else this.nonNullParentField = Parent.$default$nonNullParentField(); if ((nonNullParentField == null)) { throw new java.lang.NullPointerException("nonNullParentField is marked non-null but is null"); } } public static @java.lang.SuppressWarnings("all") ParentBuilder<?, ?> builder() { return new ParentBuilderImpl(); } } public static @lombok.experimental.SuperBuilder 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") String nonNullChildField; public ChildBuilder() { super(); } 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 nonNullChildField(final @lombok.NonNull String nonNullChildField) { if ((nonNullChildField == null)) { throw new java.lang.NullPointerException("nonNullChildField is marked non-null but is null"); } this.nonNullChildField = nonNullChildField; return self(); } public @java.lang.Override @java.lang.SuppressWarnings("all") java.lang.String toString() { return (((("SuperBuilderWithNonNull.Child.ChildBuilder(super=" + super.toString()) + ", nonNullChildField=") + this.nonNullChildField) + ")"); } } private static final @java.lang.SuppressWarnings("all") class ChildBuilderImpl extends ChildBuilder<Child, ChildBuilderImpl> { private ChildBuilderImpl() { super(); } protected @java.lang.Override @java.lang.SuppressWarnings("all") ChildBuilderImpl self() { return this; } public @java.lang.Override @java.lang.SuppressWarnings("all") Child build() { return new Child(this); } } @lombok.NonNull String nonNullChildField; protected @java.lang.SuppressWarnings("all") Child(final ChildBuilder<?, ?> b) { super(b); this.nonNullChildField = b.nonNullChildField; if ((nonNullChildField == null)) { throw new java.lang.NullPointerException("nonNullChildField is marked non-null but is null"); } } public static @java.lang.SuppressWarnings("all") ChildBuilder<?, ?> builder() { return new ChildBuilderImpl(); } } public SuperBuilderWithNonNull() { super(); } public static void test() { Child x = Child.builder().nonNullChildField("child").nonNullParentField("parent").build(); } }