docs: function getAdjacentAt(startingIndex, howMany, array) {
      error_if_index_how_many_or_array_are_not_valid_1.errorIfIndex_howMany_orArray_areNotValid(startingIndex, howMany, array);
      error_if_array_too_short_to_meet_adjacent_items_request_1.errorIfArrayTooShortToMeetAdjacentItemsRequest(startingIndex, howMany, array.length);
      if (howMany === 0)
          return [];
      if (startingIndex + howMany === 0)
          return _arraySlice_1._arraySlice(startingIndex, array.length, array);
      else
          return _arraySlice_1._arraySlice(startingIndex, startingIndex + howMany, array);
  }