code: public void setSortCriteria(java.util.Collection<Sort> sortCriteria) {
          if (sortCriteria == null) {
              this.sortCriteria = null;
              return;
          }
  
          this.sortCriteria = new java.util.ArrayList<Sort>(sortCriteria);
      }
docs: <p>
  The sort order to use in listing the specified set of contacts. The supported sort keys are DisplayName,
  FirstName, and LastName.
  </p>
  
  @param sortCriteria
  The sort order to use in listing the specified set of contacts. The supported sort keys are DisplayName,
  FirstName, and LastName.