parameters: (self)
docstring: If the file lock could be acquired, self._lock_file_fd holds the file descriptor of the lock file.
docstring_summary: If the file lock could be acquired, self._lock_file_fd holds the file descriptor of the lock file.
docstring_tokens: If the file lock could be acquired self . _lock_file_fd holds the file descriptor of the lock file .
function: def _acquire(self) -> None:
          """If the file lock could be acquired, self._lock_file_fd holds the file descriptor of the lock file."""
          raise NotImplementedError
function_tokens: def _acquire ( self ) -> None : raise NotImplementedError