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/*
 * Licensed to The Apereo Foundation under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 *
 * The Apereo Foundation licenses this file to you under the Educational
 * Community 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://opensource.org/licenses/ecl2.txt
 *
 * 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.opencastproject.smil.entity.api;

import org.opencastproject.smil.entity.media.param.api.SmilMediaParamGroup;

import java.util.List;

/**
 * Represent a SMIL head element.
 */
public interface SmilHead extends SmilObject {

  /**
   * Returns {@link List} of meta elements inside. The {@link List} is
   * immutable, use SmilService to modify it.
   *
   * @return the meta data elements.
   */
  List getMetas();

  /**
   * Returns {@link List} of paramGroup elements. The {@link List} is immutable,
   * use SmilService to modify it.
   *
   * @return the param groups
   */
  List getParamGroups();

}