text: from typing import Callable
  from typing import NamedTuple
  from typing import Optional
  from typing import Sequence
  from typing import Tuple
  
  from pre_commit.hook import Hook
  from pre_commit.languages import conda
  from pre_commit.languages import docker
  from pre_commit.languages import docker_image
  from pre_commit.languages import fail
  from pre_commit.languages import golang
  from pre_commit.languages import node
  from pre_commit.languages import perl
  from pre_commit.languages import pygrep
  from pre_commit.languages import python
  from pre_commit.languages import ruby
  from pre_commit.languages import rust
  from pre_commit.languages import script
  from pre_commit.languages import swift
  from pre_commit.languages import system
  from pre_commit.prefix import Prefix
  
  
  class Language(NamedTuple):
      name: str
      # Use `None` for no installation / environment
      ENVIRONMENT_DIR: Optional[str]
      # return a value to replace `'default` for `language_version`
      get_default_version: Callable[[], str]
      # return whether the environment is healthy (or should be rebuilt)
      healthy: Callable[[Prefix, str], bool]
      # install a repository for the given language and language_version
      install_environment: Callable[[Prefix, str, Sequence[str]], None]
      # execute a hook and return the exit code and output
      run_hook: 'Callable[[Hook, Sequence[str], bool], Tuple[int, bytes]]'
  
  
  # TODO: back to modules + Protocol: https://github.com/python/mypy/issues/5018
  languages = {
      # BEGIN GENERATED (testing/gen-languages-all)
      'conda': Language(name='conda', ENVIRONMENT_DIR=conda.ENVIRONMENT_DIR, get_default_version=conda.get_default_version, healthy=conda.healthy, install_environment=conda.install_environment, run_hook=conda.run_hook),  # noqa: E501
      'docker': Language(name='docker', ENVIRONMENT_DIR=docker.ENVIRONMENT_DIR, get_default_version=docker.get_default_version, healthy=docker.healthy, install_environment=docker.install_environment, run_hook=docker.run_hook),  # noqa: E501
      'docker_image': Language(name='docker_image', ENVIRONMENT_DIR=docker_image.ENVIRONMENT_DIR, get_default_version=docker_image.get_default_version, healthy=docker_image.healthy, install_environment=docker_image.install_environment, run_hook=docker_image.run_hook),  # noqa: E501
      'fail': Language(name='fail', ENVIRONMENT_DIR=fail.ENVIRONMENT_DIR, get_default_version=fail.get_default_version, healthy=fail.healthy, install_environment=fail.install_environment, run_hook=fail.run_hook),  # noqa: E501
      'golang': Language(name='golang', ENVIRONMENT_DIR=golang.ENVIRONMENT_DIR, get_default_version=golang.get_default_version, healthy=golang.healthy, install_environment=golang.install_environment, run_hook=golang.run_hook),  # noqa: E501
      'node': Language(name='node', ENVIRONMENT_DIR=node.ENVIRONMENT_DIR, get_default_version=node.get_default_version, healthy=node.healthy, install_environment=node.install_environment, run_hook=node.run_hook),  # noqa: E501
      'perl': Language(name='perl', ENVIRONMENT_DIR=perl.ENVIRONMENT_DIR, get_default_version=perl.get_default_version, healthy=perl.healthy, install_environment=perl.install_environment, run_hook=perl.run_hook),  # noqa: E501
      'pygrep': Language(name='pygrep', ENVIRONMENT_DIR=pygrep.ENVIRONMENT_DIR, get_default_version=pygrep.get_default_version, healthy=pygrep.healthy, install_environment=pygrep.install_environment, run_hook=pygrep.run_hook),  # noqa: E501
      'python': Language(name='python', ENVIRONMENT_DIR=python.ENVIRONMENT_DIR, get_default_version=python.get_default_version, healthy=python.healthy, install_environment=python.install_environment, run_hook=python.run_hook),  # noqa: E501
      'ruby': Language(name='ruby', ENVIRONMENT_DIR=ruby.ENVIRONMENT_DIR, get_default_version=ruby.get_default_version, healthy=ruby.healthy, install_environment=ruby.install_environment, run_hook=ruby.run_hook),  # noqa: E501
      'rust': Language(name='rust', ENVIRONMENT_DIR=rust.ENVIRONMENT_DIR, get_default_version=rust.get_default_version, healthy=rust.healthy, install_environment=rust.install_environment, run_hook=rust.run_hook),  # noqa: E501
      'script': Language(name='script', ENVIRONMENT_DIR=script.ENVIRONMENT_DIR, get_default_version=script.get_default_version, healthy=script.healthy, install_environment=script.install_environment, run_hook=script.run_hook),  # noqa: E501
      'swift': Language(name='swift', ENVIRONMENT_DIR=swift.ENVIRONMENT_DIR, get_default_version=swift.get_default_version, healthy=swift.healthy, install_environment=swift.install_environment, run_hook=swift.run_hook),  # noqa: E501
      'system': Language(name='system', ENVIRONMENT_DIR=system.ENVIRONMENT_DIR, get_default_version=system.get_default_version, healthy=system.healthy, install_environment=system.install_environment, run_hook=system.run_hook),  # noqa: E501
      # END GENERATED
  }
  # TODO: fully deprecate `python_venv`
  languages['python_venv'] = languages['python']
  all_languages = sorted(languages)
  