code: public static FactorDeleter deleter(final String pathServiceSid, 
                                          final String pathIdentity, 
                                          final String pathSid) {
          return new FactorDeleter(pathServiceSid, pathIdentity, pathSid);
      }
docs: Create a FactorDeleter to execute delete.
  
  @param pathServiceSid Service Sid.
  @param pathIdentity Unique identity of the Entity
  @param pathSid A string that uniquely identifies this Factor.
  @return FactorDeleter capable of executing the delete