text: from commitizen import out
  from commitizen.config import BaseConfig
  from commitizen.cz import registry
  
  
  class ListCz:
      """List currently installed rules."""
  
      def __init__(self, config: BaseConfig, *args):
          self.config: BaseConfig = config
  
      def __call__(self):
          out.write("\n".join(registry.keys()))
  