public String getMarker() {
        return this.marker;
    }
<p>
(Optional) Opaque pagination token returned from a previous <code>DescribeFileSystems</code> operation (String).
If present, specifies to continue the list from where the returning call had left off.
</p>

@return (Optional) Opaque pagination token returned from a previous <code>DescribeFileSystems</code> operation
        (String). If present, specifies to continue the list from where the returning call had left off.
aws-java-sdk-efs/src/main/java/com/amazonaws/services/elasticfilesystem/model/DescribeFileSystemsRequest.java