testing

DifferentialCommitMessageModifier.php
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			<?php

			/*
			* Copyright 2011 Facebook, Inc.
			*
			* 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.
			*/

			abstract class DifferentialCommitMessageModifier {
			protected $revision;

			/**
			* @param DifferentialRevision The revision to generate fields for
			*/
			public function __construct(DifferentialRevision $revision) {
			$this->revision = $revision;
			}

			/**
			* Implementation of this function should remove, modify, or append
			* fields to the $fields representing the fields for the given
			* $revision. It should return the modified dict. These fields are
			* included in the commit message generated by 'arc amend'.
			*
			* @param array The array of fields to modify
			* @return array The updated array of fields
			*/
			abstract public function modifyFields(array $fields);
			}