'Set properties for the chart up-down bars.
Args:
options: A dictionary of options.
Returns:
Nothing.'

def set_up_down_bars(self, options=None):

    if (options is None):
        options = {}
    up_line = None
    up_fill = None
    down_line = None
    down_fill = None
    if options.get('up'):
        if ('border' in options['up']):
            up_line = Shape._get_line_properties(options['up']['border'])
        if ('line' in options['up']):
            up_line = Shape._get_line_properties(options['up']['line'])
        if ('fill' in options['up']):
            up_fill = Shape._get_fill_properties(options['up']['fill'])
    if options.get('down'):
        if ('border' in options['down']):
            down_line = Shape._get_line_properties(options['down']['border'])
        if ('line' in options['down']):
            down_line = Shape._get_line_properties(options['down']['line'])
        if ('fill' in options['down']):
            down_fill = Shape._get_fill_properties(options['down']['fill'])
    self.up_down_bars = {'up': {'line': up_line, 'fill': up_fill}, 'down': {'line': down_line, 'fill': down_fill}}
