|  | // Copyright 2017 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; | 
|  |  | 
|  | import java.util.List; | 
|  |  | 
|  | /** Defines a preprocessing service for the "args" string list that is executed before parsing. */ | 
|  | @FunctionalInterface | 
|  | interface ArgsPreProcessor { | 
|  | List<String> preProcess(List<String> args) throws OptionsParsingException; | 
|  | } |