public ListPublicKeysRequest withNextToken(String nextToken) {
        setNextToken(nextToken);
        return this;
    }
<p>
Reserved for future use.
</p>

@param nextToken
       Reserved for future use.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-cloudtrail/src/main/java/com/amazonaws/services/cloudtrail/model/ListPublicKeysRequest.java