/*
 * Copyright 2022 Google LLC
 *
 * 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.android.libraries.mobiledatadownload.populator;

import com.google.common.util.concurrent.ListenableFuture;
import com.google.mobiledatadownload.DownloadConfigProto.DataFileGroup;
import com.google.mobiledatadownload.DownloadConfigProto.ManifestConfig;
import java.util.List;

/**
 * Client provided Overrider which optionally overrides a {@link ManifestConfig}. This could be used
 * for on device targeting by altering or dropping the input ManifestConfig.DataFileGroup.
 */
public interface ManifestConfigOverrider {

  /** Optionally override the input ManifestConfig. */
  ListenableFuture<List<DataFileGroup>> override(ManifestConfig manifestConfig);
}