}
    }

    private abstract static class MutationSafeCollection<T, C extends Collection<T>> implements Collection<T> {
        private final C delegate;
        private final ModelViewState state;
        private final ModelType<T> elementType;

        public MutationSafeCollection(C delegate, ModelViewState state, ModelType<T> elementType) {
            this.delegate = delegate;

Class <org.gradle.model.internal.manage.schema.extract.ScalarCollectionNodeInitializerExtractionStrategy$MutationSafeCollection> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (Scalar...