code: public DeleteFacesResult withDeletedFaces(String... deletedFaces) {
          if (this.deletedFaces == null) {
              setDeletedFaces(new java.util.ArrayList<String>(deletedFaces.length));
          }
          for (String ele : deletedFaces) {
              this.deletedFaces.add(ele);
          }
          return this;
      }
docs: <p>
  An array of strings (face IDs) of the faces that were deleted.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setDeletedFaces(java.util.Collection)} or {@link #withDeletedFaces(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param deletedFaces
  An array of strings (face IDs) of the faces that were deleted.
  @return Returns a reference to this object so that method calls can be chained together.