public ListCertificatesRequest withSortOrder(String sortOrder) {
        setSortOrder(sortOrder);
        return this;
    }
<p>
Specifies the order of sorted results. If you specify <code>SortOrder</code>, you must also specify
<code>SortBy</code>.
</p>

@param sortOrder
       Specifies the order of sorted results. If you specify <code>SortOrder</code>, you must also specify
       <code>SortBy</code>.
@return Returns a reference to this object so that method calls can be chained together.
@see SortOrder
aws-java-sdk-acm/src/main/java/com/amazonaws/services/certificatemanager/model/ListCertificatesRequest.java