code: public DescribeClusterSnapshotsRequest withSortingEntities(SnapshotSortingEntity... sortingEntities) {
          if (this.sortingEntities == null) {
              setSortingEntities(new com.amazonaws.internal.SdkInternalList<SnapshotSortingEntity>(sortingEntities.length));
          }
          for (SnapshotSortingEntity ele : sortingEntities) {
              this.sortingEntities.add(ele);
          }
          return this;
      }
docs: <p/>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setSortingEntities(java.util.Collection)} or {@link #withSortingEntities(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param sortingEntities
  @return Returns a reference to this object so that method calls can be chained together.