@@ -0,0 +1,905 @@
+/*%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 * An interface for a factory that generates timestamps.%0A *%0A * @see Timestamp%0A */%0Apublic interface TimestampFactory %7B%0A  /**%0A   * Returns a new timestamp that represents the instant this method was called.%0A   *%0A   * @return the new timestamp.%0A   */%0A  Timestamp now();%0A%7D%0A

Add a TimestampFactory interface that can be used by stats & tracing.