public String getNextToken() {
        return this.nextToken;
    }
<p>
An optional token returned from a prior request. Use this token for pagination of results from this action. If
this parameter is specified, the response includes only results beyond the token, up to the value specified by
<code>MaxResults</code>.
</p>

@return An optional token returned from a prior request. Use this token for pagination of results from this
        action. If this parameter is specified, the response includes only results beyond the token, up to the
        value specified by <code>MaxResults</code>.
aws-java-sdk-dax/src/main/java/com/amazonaws/services/dax/model/DescribeSubnetGroupsRequest.java