docs: def _walk_for_type(self, check_type):
          """Walk the resources/properties looking for a specific type."""
          for class_name, properties in sorted(self.resources.items()):
              for key, value in sorted(properties.items()):
                  if self._check_type(check_type, value):
                      return True
          for class_name, properties in sorted(self.properties.items()):
              for key, value in sorted(properties.items()):
                  if self._check_type(check_type, value):
                      return True
  
          return False