@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
    }
    if (((bitField0_ & 0x00000001) != 0)) {
      output.writeMessage(2, getStartTime());
    }
    if (((bitField0_ & 0x00000002) != 0)) {
      output.writeMessage(3, getEndTime());
    }
    if (state_
        != com.google.cloud.workflows.executions.v1beta.Execution.State.STATE_UNSPECIFIED
            .getNumber()) {
      output.writeEnum(4, state_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(argument_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 5, argument_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(result_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 6, result_);
    }
    if (((bitField0_ & 0x00000004) != 0)) {
      output.writeMessage(7, getError());
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(workflowRevisionId_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 8, workflowRevisionId_);
    }
    getUnknownFields().writeTo(output);
  }
<pre>
Output only. Revision of the workflow this execution is using.
</pre>

<code>string workflow_revision_id = 8 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@return The bytes for workflowRevisionId.
java-workflow-executions/proto-google-cloud-workflow-executions-v1beta/src/main/java/com/google/cloud/workflows/executions/v1beta/Execution.java