public com.google.protobuf.Timestamp.Builder getCreateTimeBuilder() {
      bitField0_ |= 0x00000010;
      onChanged();
      return getCreateTimeFieldBuilder().getBuilder();
    }
<pre>
Output only. The timestamp for when the workflow was created.
This is a workflow-wide field and is not tied to a specific revision.
</pre>

<code>
.google.protobuf.Timestamp create_time = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-workflows/proto-google-cloud-workflows-v1/src/main/java/com/google/cloud/workflows/v1/Workflow.java