private ModelRuleDescriptor descriptor;
        }

        private static abstract class AbstractBuilderAction implements ModelAction {
            private final ModelReference<Object> subject;
            private final DescriptorReference descriptorReference;

            public AbstractBuilderAction(ModelReference<Object> subject, DescriptorReference descriptorReference) {
                this.subject = subject;

Class <org.gradle.model.internal.core.ModelRegistrations$2> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (ModelRegistrations.java:0)
Class <org.gradle.model.internal.core.ModelRegistrations$Builder$AbstractBuilderAction> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (ModelRegistrations.java:0)