public Builder clearCreationTime() {
        bitField0_ = (bitField0_ & ~0x00000800);
        creationTime_ = null;
        if (creationTimeBuilder_ != null) {
          creationTimeBuilder_.dispose();
          creationTimeBuilder_ = null;
        }
        onChanged();
        return this;
      }
<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>
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java