| // Copyright 2016 The Bazel Authors. All rights reserved. | 
 | // | 
 | // 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 com.google.devtools.common.options; | 
 |  | 
 | /** | 
 |  * Opaque options data type, returned by {@link OptionsParser#getOptionsData} and consumed by | 
 |  * {@link OptionsParser#newOptionsParser(OpaqueOptionsData)}. | 
 |  */ | 
 | public abstract class OpaqueOptionsData { | 
 |   // Package-protected so the existence of subclasses is under our control. | 
 |   OpaqueOptionsData() { | 
 |   } | 
 | } | 
 |  |