docs: def setup(self):
          """Setup."""
  
          self.blocks = self.config['block_comments']
          self.lines = self.config['line_comments']
          self.group_comments = self.config['group_comments']
          # If the style isn't found, just go with CSS, then use the appropriate prefix.
          self.stylesheets = STYLESHEET_TYPE.get(self.config['stylesheets'].lower(), CSS)
          self.prefix = [k for k, v in STYLESHEET_TYPE.items() if v == SASS][0]
          self.pattern = RE_CSS if self.stylesheets == CSS else RE_SCSS