content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
   *  with the License.  You may obtain a copy of the License at
   *
   *        http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing,
   *  software distributed under the License is distributed on an
   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   *  KIND, either express or implied.  See the License for the
   *  specific language governing permissions and limitations
   *  under the License.
   */
  package org.apache.causeway.core.metamodel.facets.object.immutable;
  
  import java.util.Optional;
  
  import org.apache.causeway.core.metamodel.consent.Consent.VetoReason;
  import org.apache.causeway.core.metamodel.facetapi.Facet;
  import org.apache.causeway.core.metamodel.facetapi.FacetHolder;
  import org.apache.causeway.core.metamodel.facets.object.value.ValueFacet;
  import org.apache.causeway.core.metamodel.interactions.DisablingInteractionAdvisor;
  import org.apache.causeway.core.metamodel.object.ManagedObject;
  import org.apache.causeway.core.metamodel.spec.ObjectSpecification;
  import org.apache.causeway.core.metamodel.spec.feature.ObjectMember;
  
  /**
   * Indicates that the instances of this class are immutable and so may not be
   * modified either through the viewer or indeed programmatically.
   *
   * @see ValueFacet
   */
  public interface ImmutableFacet
  extends Facet, DisablingInteractionAdvisor {
  
      /**
       * Clone this facet using another {@link FacetHolder}.
       *
       * @apiNote Introduced to allow this facet to be installed onto the
       * {@link ObjectSpecification}, and then copied down onto each of the spec's
       * {@link ObjectMember}s.
       */
      ImmutableFacet clone(FacetHolder holder);
  
      Optional<VetoReason> disabledReason(ManagedObject targetAdapter);
  
  }
  