docs: def parse(self, content):
          """
          Parse a stylesheet document with a regex (``REGEX_IMPORT_RULE``)
          to extract all import rules and return them.
  
          Args:
              content (str): A SCSS source.
  
          Returns:
              list: Finded paths in import rules.
          """
          # Remove all comments before searching for import rules, to not catch
          # commented breaked import rules
          declarations = self.REGEX_IMPORT_RULE.findall(
              self.remove_comments(content)
          )
          return self.flatten_rules(declarations)