public void setNextToken(String nextToken) {
        this.nextToken = nextToken;
    }
<p>
A token that indicates whether there are more results to return in a response to the ListTestSets operation. If
the nextToken field is present, you send the contents as the nextToken parameter of a ListTestSets operation
request to get the next page of results.
</p>

@param nextToken
       A token that indicates whether there are more results to return in a response to the ListTestSets
       operation. If the nextToken field is present, you send the contents as the nextToken parameter of a
       ListTestSets operation request to get the next page of results.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/ListTestSetsResult.java