    def border_style(self):
        """
        The current drawing style of the border. Possible values are defined in
        :mod:`~asciimatics.constants`:

        * `ASCII_LINE` -- ASCII safe characters
        * `SINGLE_LINE` -- UNICODE based single line
        * `DOUBLE_LINE` -- UNICODE based double line

        Note that your canvas must support UNICODE style characters to use them
        """
        return self._border_lines.style
The current drawing style of the border. Possible values are defined in
:mod:`~asciimatics.constants`:

* `ASCII_LINE` -- ASCII safe characters
* `SINGLE_LINE` -- UNICODE based single line
* `DOUBLE_LINE` -- UNICODE based double line

Note that your canvas must support UNICODE style characters to use them
asciimatics/renderers/charts.py