How to use the cleo.helpers.helper.Helper.len_without_decoration function in cleo

def _get_cell_width(self, row, column):
        """
        Gets cell width.

        :type row: list

        :type column: int

        :rtype: int
        """
        try:
            cell = row[column]
            cell_width = Helper.len_without_decoration(self._output.get_formatter(), cell)

            if isinstance(cell, TableCell) and cell.colspan > 1:
                # we assume that cell value will be across more than one column.
                cell_width = cell_width // cell.colspan

            return cell_width

        except IndexError:
            return 0

def _overwrite(self, message):
        """
        Overwrites a previous message to the output.

        :type message: str
        """
        lines = message.split('\n')

        # Append whitespace to match the line's length
        if self._last_messages_length is not None:
            for i, line in enumerate(lines):
                if self._last_messages_length > Helper.len_without_decoration(self._output.get_formatter(), line):
                    lines[i] = line.ljust(self._last_messages_length, '\x20')

        if self._should_overwrite:
            # move back to the beginning of the progress bar before redrawing it
            self._output.write('\x0D')
        elif self._step > 0:
            # move to new line
            self._output.writeln('')

        if self._format_line_count:
            self._output.write('\033[%dA' % self._format_line_count)

        self._output.write('\n'.join(lines))

        self._last_messages_length = 0

if self._should_overwrite:
            # move back to the beginning of the progress bar before redrawing it
            self._output.write('\x0D')
        elif self._step > 0:
            # move to new line
            self._output.writeln('')

        if self._format_line_count:
            self._output.write('\033[%dA' % self._format_line_count)

        self._output.write('\n'.join(lines))

        self._last_messages_length = 0

        for line in lines:
            length = Helper.len_without_decoration(self._output.get_formatter(), line)
            if length > self._last_messages_length:
                self._last_messages_length = length

width = self._column_widths[column]
        if isinstance(cell, TableCell) and cell.colspan > 1:
            # add the width of the following columns(numbers of colspan).
            for next_column in range(column + 1, column + cell.colspan):
                width += self._get_column_separator_width() + self._column_widths[next_column]

        # Encoding fix
        width += len(cell) - Helper.len(cell)

        style = self.get_column_style(column)

        if isinstance(cell, TableSeparator):
            self._output.write(style.border_format % (style.horizontal_border_char * width))
        else:
            width += Helper.len(cell) - Helper.len_without_decoration(self._output.get_formatter(), cell)
            content = style.cell_row_content_format % cell
            self._output.write(cell_format % getattr(content, style.pad_type)(width, style.padding_char))