code: def get_anyhline(config):
      
      if config.BOOLEAN_STATES[config.config.get('Layout', 'command_description')] or\
         config.BOOLEAN_STATES[config.config.get('Layout', 'param_description')]:
          return Window(
              width=LayoutDimension.exact(1),
              height=LayoutDimension.exact(1),
              content=FillControl('-', token=Token.Line))
      return get_empty()
docs: if there is a line between descriptions and example