text: <?php
  /**
   * 2007-2016 [PagSeguro Internet Ltda.]
   *
   * NOTICE OF LICENSE
   *
   * Licensed 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.
   *
   * @author    PagSeguro Internet Ltda.
   * @copyright 2007-2016 PagSeguro Internet Ltda.
   * @license   http://www.apache.org/licenses/LICENSE-2.0
   *
   */
  
  namespace PagSeguro\Resources\Responsibility\Notifications;
  
  /**
   * Interface Handler
   * @package PagSeguro\Resources\Responsibility\Notifications
   */
  interface Handler
  {
      /**
       * @param $next
       * @return mixed
       */
      public function successor($next);
  
      /**
       * @return mixed
       */
      public function handler();
  }
  