@@ -0,0 +1,1318 @@
+/*%0A * Copyright 2017, Google Inc.%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0A%0Apackage com.google.instrumentation.internal;%0A%0Aimport com.google.instrumentation.common.Clock;%0Aimport com.google.instrumentation.common.Timestamp;%0A%0A/**%0A * A %7B@link Clock%7D that uses %7B@link System#currentTimeMillis()%7D and %7B@link System#nanoTime()%7D.%0A */%0Apublic final class MillisClock extends Clock %7B%0A  private static final MillisClock INSTANCE = new MillisClock();%0A%0A  private MillisClock() %7B%7D%0A%0A  /**%0A   * Returns a %7B@code MillisClock%7D.%0A   *%0A   * @return a %7B@code MillisClock%7D.%0A   */%0A  public static MillisClock getInstance() %7B%0A    return INSTANCE;%0A  %7D%0A%0A  @Override%0A  public Timestamp now() %7B%0A    return Timestamp.fromMillis(System.currentTimeMillis());%0A  %7D%0A%0A  @Override%0A  public long nowNanos() %7B%0A    return System.nanoTime();%0A  %7D%0A%7D%0A

Add a clock that uses System.currentTimeMillis() and System.nanoTime().