code: public static <R, C, V> HashBasedTable<R, C, V> create(
        int expectedRows, int expectedCellsPerRow) {
      checkNonnegative(expectedCellsPerRow, "expectedCellsPerRow");
      Map<R, Map<C, V>> backingMap = Maps.newLinkedHashMapWithExpectedSize(expectedRows);
      return new HashBasedTable<>(backingMap, new Factory<C, V>(expectedCellsPerRow));
    }
docs: Creates an empty {@code HashBasedTable} with the specified map sizes.
  
  @param expectedRows the expected number of distinct row keys
  @param expectedCellsPerRow the expected number of column key / value mappings in each row
  @throws IllegalArgumentException if {@code expectedRows} or {@code expectedCellsPerRow} is
  negative