public String getCreatorRequestId() {
        return this.creatorRequestId;
    }
<p>
Identifies the request and allows failed requests to be retried without the risk of running the operation twice.
If the request includes a <code>CreatorRequestId</code> that matches an existing backup plan, that plan is
returned. This parameter is optional.
</p>
<p>
If used, this parameter must contain 1 to 50 alphanumeric or '-_.' characters.
</p>

@return Identifies the request and allows failed requests to be retried without the risk of running the operation
        twice. If the request includes a <code>CreatorRequestId</code> that matches an existing backup plan, that
        plan is returned. This parameter is optional.</p>
        <p>
        If used, this parameter must contain 1 to 50 alphanumeric or '-_.' characters.
aws-java-sdk-backup/src/main/java/com/amazonaws/services/backup/model/CreateBackupPlanRequest.java