@@ -0,0 +1,1133 @@
+/*%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.common;%0A%0A/**%0A * Interface for getting the current time.%0A */%0Apublic abstract class Clock %7B%0A%0A  /**%0A   * Obtains the current instant from this clock.%0A   *%0A   * @return the current instant.%0A   */%0A  public abstract Timestamp now();%0A%0A  /**%0A   * Returns a time measurement with nanosecond precision that can only be used to calculate elapsed%0A   * time.%0A   *%0A   * @return a time measurement with nanosecond precision that can only be used to calculate elapsed%0A   *     time.%0A   */%0A  public abstract long nowNanos();%0A%7D%0A

Add an interface for getting the time throughout the Instrumentation library.