public boolean hasCreateTime() {
      return ((bitField0_ & 0x00000010) != 0);
    }
<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>

@return Whether the createTime field is set.
java-workflows/proto-google-cloud-workflows-v1/src/main/java/com/google/cloud/workflows/v1/Workflow.java