public void setQueryString(String queryString) {
        this.queryString = queryString;
    }
<p>
The query used to search. You can specify "*" for the query string to get the count of all indexed things in your
Amazon Web Services account.
</p>

@param queryString
       The query used to search. You can specify "*" for the query string to get the count of all indexed things
       in your Amazon Web Services account.
aws-java-sdk-iot/src/main/java/com/amazonaws/services/iot/model/GetStatisticsRequest.java