/**

  * Copyright (c) 2008-2011, http://www.snakeyaml.org

  *

  * 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.

  */

 package org.yaml.snakeyaml.parser;

 import org.yaml.snakeyaml.events.Event;

 /**

  * Helper for {@link ParserImpl}. A grammar rule to apply given the symbols on

  * top of its stack and the next input token

  * 

  * @see http://en.wikipedia.org/wiki/LL_parser

  */

 interface Production {

     public Event produce();

 }