public String getNextToken() {
        return this.nextToken;
    }
<p>
The token for the next set of results, or null if there are no additional results.
</p>

@return The token for the next set of results, or null if there are no additional results.
aws-java-sdk-iotsitewise/src/main/java/com/amazonaws/services/iotsitewise/model/ListAssetRelationshipsResult.java