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.camel.component.mail;
  
  import jakarta.mail.Message;
  
  /**
   * To generate an unique ID of the mail message.
   */
  public interface MailUidGenerator {
  
      /**
       * Generates an unique ID of the mail message depending on if its POP3 or IMAP protocol.
       *
       * @param  message the mail message
       * @return         the unique id, must never be <tt>null</tt>.
       */
      String generateUuid(MailEndpoint mailEndpoint, Message message);
  
  }
  