@Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;

    LineCol col = (LineCol)o;

    if (line != col.line) return false;
    if (column != col.column) return false;

    return true;
  }
@Override
  public boolean equals(Object o)