package com.lexicalscope.jewel.cli;

 /*

  * Copyright 2011 Tim Wood

  *

  * 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. 

  */

 /**

  * BETA - may be altered or removed in future versions

  * 

  * @author Tim Wood

  */

 public interface HelpMessage {

     void noUsageInformation();

     void hasUsageInformation(String applicationName);

     void hasUsageInformation();

     void hasOnlyOptionalOptions();

     void hasSomeMandatoryOptions();

     void hasUnparsedMultiValuedOption(String valueName);

     void hasUnparsedOption(String valueName);

     void startOfOptions();

     OptionHelpMessage option();

     void endOfOptions();

 }