public void setNextToken(String nextToken) {
        this.nextToken = nextToken;
    }
<ul>
<li>
<p>
If <code>NextToken</code> is empty, then the last page of results has been processed and there are no more
results to be retrieved.
</p>
</li>
<li>
<p>
If <code>NextToken</code> is <i>not</i> empty, then there are more results available. To retrieve the next page
of results, use the value of <code>NextToken</code> in a subsequent <code>ListJournalS3ExportsForLedger</code>
call.
</p>
</li>
</ul>

@param nextToken
       <li>
       <p>
       If <code>NextToken</code> is empty, then the last page of results has been processed and there are no more
       results to be retrieved.
       </p>
       </li> <li>
       <p>
       If <code>NextToken</code> is <i>not</i> empty, then there are more results available. To retrieve the next
       page of results, use the value of <code>NextToken</code> in a subsequent
       <code>ListJournalS3ExportsForLedger</code> call.
       </p>
       </li>
aws-java-sdk-qldb/src/main/java/com/amazonaws/services/qldb/model/ListJournalS3ExportsForLedgerResult.java