public String getCreatorRequestId() {
        return this.creatorRequestId;
    }
<p>
A unique string that identifies the request and allows failed requests to be retried without the risk of running
the operation twice. This parameter is optional. If used, this parameter must contain 1 to 50 alphanumeric or
'-_.' characters.
</p>

@return A unique string that identifies the request and allows failed requests to be retried without the risk of
        running the operation twice. This parameter is optional. If used, this parameter must contain 1 to 50
        alphanumeric or '-_.' characters.
aws-java-sdk-backup/src/main/java/com/amazonaws/services/backup/model/DescribeBackupVaultResult.java