public FileSystemDescription withCreationToken(String creationToken) {
        setCreationToken(creationToken);
        return this;
    }
<p>
The opaque string specified in the request.
</p>

@param creationToken
       The opaque string specified in the request.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-efs/src/main/java/com/amazonaws/services/elasticfilesystem/model/FileSystemDescription.java