public boolean hasEndTime() {
      return ((bitField0_ & 0x00000002) != 0);
    }
<pre>
Output only. Time that the operation finished running.
</pre>

<code>.google.protobuf.Timestamp end_time = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>

@return Whether the endTime field is set.
java-workstations/proto-google-cloud-workstations-v1/src/main/java/com/google/cloud/workstations/v1/OperationMetadata.java