/*
   * Set associators filter
   * call-seq:
   *   filter.associators(end_point_reference, assoc_class_name, result_class_name, role, result_role, result_prop[], prop_num)
   *
   */
  int associators( VALUE epr_v = Qnil, VALUE assocClass_v = Qnil, VALUE resultClass_v = Qnil, VALUE role_v = Qnil, VALUE resultRole_v = Qnil, VALUE resultProp_v = Qnil, VALUE propNum_v = Qnil)