content: /*
   * Copyright (C) 2017 The Android Open Source Project
   *
   * 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 androidx.test.internal.runner.tracker;
  
  /**
   * Used by test infrastructure to report usage stats (optionally).
   *
   * <p>This interface should only be used by test infrastructure.
   *
   * @deprecated obsolete
   */
  @Deprecated
  public interface UsageTracker {
  
    /**
     * Indicates that a particular tool/api was used.
     *
     * <p>Usage will be dumped at the end of the instrumentation run.
     */
    void trackUsage(String usage, String version);
  
    /** Requests that all usages be sent. */
    void sendUsages();
  
    /** NoOp implementation. */
    class NoOpUsageTracker implements UsageTracker {
      @Override
      public void trackUsage(String unused, String unusedVersion) {}
  
      @Override
      public void sendUsages() {}
    }
  }
  