|  | // 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.build.lib.skyframe; | 
|  | import com.google.devtools.build.skyframe.SkyValue; | 
|  | import javax.annotation.Nullable; | 
|  | /** An aspect in the context of the Skyframe graph. */ | 
|  | public final class ClientEnvironmentValue implements SkyValue { | 
|  | private final String value; | 
|  | public ClientEnvironmentValue(@Nullable String value) { | 
|  | /** @return the value in the client environment or null if unset in the environment. */ | 
|  | public String getValue() { |