public void setNextToken(String nextToken) {
        this.nextToken = nextToken;
    }
<p>
To retrieve the next set of results, the <code>nextToken</code> value from a previous response; otherwise
<b>null</b> to receive the first set of results.
</p>

@param nextToken
       To retrieve the next set of results, the <code>nextToken</code> value from a previous response; otherwise
       <b>null</b> to receive the first set of results.
aws-java-sdk-iot/src/main/java/com/amazonaws/services/iot/model/ListThingRegistrationTaskReportsRequest.java