@java.lang.Override
  public com.google.protobuf.Timestamp getEndTime() {
    return endTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : endTime_;
  }
<pre>
End time of the span in nanoseconds from the UNIX epoch.
</pre>

<code>.google.protobuf.Timestamp end_time = 5;</code>

@return The endTime.
java-trace/proto-google-cloud-trace-v1/src/main/java/com/google/devtools/cloudtrace/v1/TraceSpan.java