public void setNextToken(String nextToken) {
        this.nextToken = nextToken;
    }
<p>
NextToken should be sent in case if earlier API call produced result containing NextToken. It is used for
pagination.
</p>

@param nextToken
       NextToken should be sent in case if earlier API call produced result containing NextToken. It is used for
       pagination.
aws-java-sdk-elasticsearch/src/main/java/com/amazonaws/services/elasticsearch/model/ListElasticsearchInstanceTypesRequest.java