docs: def filter(self, filter_id=""):
      """
      Takes a filter's ID to be used in the current search context. Filter IDs can
      be found at <https://derpibooru.org/filters/> by inspecting the URL parameters.
      
      If no filter is provided, the user's current filter will be used.
      """
      params = join_params(self.parameters, {"filter_id": filter_id})
  
      return self.__class__(**params)