public com.google.protobuf.TimestampOrBuilder getEndTimeOrBuilder() {
      if (endTimeBuilder_ != null) {
        return endTimeBuilder_.getMessageOrBuilder();
      } else {
        return endTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : endTime_;
      }
    }
<pre>
Output only. Marks the end of execution, successful or not.
</pre>

<code>.google.protobuf.Timestamp end_time = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-workflow-executions/proto-google-cloud-workflow-executions-v1beta/src/main/java/com/google/cloud/workflows/executions/v1beta/Execution.java