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.kafka.common.security.oauthbearer.internals.secured;
  
  import org.apache.kafka.common.security.oauthbearer.OAuthBearerValidatorCallbackHandler;
  
  import org.jose4j.keys.resolvers.VerificationKeyResolver;
  
  /**
   * The {@link OAuthBearerValidatorCallbackHandler} uses a {@link VerificationKeyResolver} as
   * part of its validation of the incoming JWT. Some of the <code>VerificationKeyResolver</code>
   * implementations use resources like threads, connections, etc. that should be properly closed
   * when no longer needed. Since the <code>VerificationKeyResolver</code> interface itself doesn't
   * define a <code>close</code> method, we provide a means to do that here.
   */
  
  public interface CloseableVerificationKeyResolver extends OAuthBearerConfigurable, VerificationKeyResolver {
  
  }
  