public ListOperationsRequest withSortBy(ListOperationsSortAttributeName sortBy) {
        this.sortBy = sortBy.toString();
        return this;
    }
<p>
The sort type for returned values.
</p>

@param sortBy
       The sort type for returned values.
@return Returns a reference to this object so that method calls can be chained together.
@see ListOperationsSortAttributeName
aws-java-sdk-route53/src/main/java/com/amazonaws/services/route53domains/model/ListOperationsRequest.java