public boolean hasCreationTime() {
        return ((bitField0_ & 0x00000800) != 0);
      }
<pre>
Output only. The time that the transfer job was created.
</pre>

<code>
.google.protobuf.Timestamp creation_time = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>

@return Whether the creationTime field is set.
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java