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// Copyright 2018 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.actions;
import com.google.common.collect.ImmutableSet;
/**
* Association between {@link ActionInput}s and the {@link Artifact}s, directly or indirectly
* depended on by an action, that are responsible for that action's inclusion of those inputs.
*
* <p>The association is not necessarily comprehensive. Inputs may have other owners not specified
* here, or the owners specified here may not be direct dependencies of the action.
*/
public interface ActionInputDepOwners {
/**
* Returns the set of {@link Artifact}s associated with {@code input}. The collection is empty if
* no such association exists.
*/
ImmutableSet<Artifact> getDepOwners(ActionInput input);
}