docs: def host_key_checking(enable):
      """ Temporarily disables host_key_checking, which is set globally. """
  
      def as_string(b):
          return b and 'True' or 'False'
  
      with environment_variable('ANSIBLE_HOST_KEY_CHECKING', as_string(enable)):
          previous = ansible.constants.HOST_KEY_CHECKING
  
          ansible.constants.HOST_KEY_CHECKING = enable
          yield
          ansible.constants.HOST_KEY_CHECKING = previous