parameters: ()
docstring: Return an generator for all styles by name,
      both builtin and plugin.
docstring_summary: Return an generator for all styles by name,
      both builtin and plugin.
docstring_tokens: Return an generator for all styles by name both builtin and plugin .
function: def get_all_styles():
      """Return an generator for all styles by name,
      both builtin and plugin."""
      for name in STYLE_MAP:
          yield name
      for name, _ in find_plugin_styles():
          yield name
function_tokens: def get_all_styles ( ) : for name in STYLE_MAP : yield name for name , _ in find_plugin_styles ( ) : yield name