...
    >>> executor = FallbackExecutor(primary_func=read_file, fallback_func=log_error, timeout=5)
    >>> result = executor.execute({'path': 'example.txt'})
    
    """
    
    def __init__(self, primary_func: Callable[..., Any], fallback_func: Callable[..., Any], timeout: Optional[float] = None):
        self.primary_func = primary_func
        self.fallback_func = fallback_func
        self.timeout = timeout

    def execute(self, kwargs: dict) -> Any:
        try:
            return self._execute_with_timeout(self.primary_func, kwargs)
        except Exception as e:
            print(f"Primary function failed with error: {e}")
            return self._execute_with_timeout(self.fallback_func, kwargs)

    def _execute_with_timeout(self, func: Callable[..., Any], kwargs: dict) -> Any:
        import signal
        from contextlib import contextmanager

        @contextmanager
        def timeout_manager(seconds):
            def signal_handler(signum, frame):
                raise TimeoutError("Timed out")
            
            original_signal_handler = signal.signal(signal.SIGALRM, signal_handler)
            signal.alarm(seconds)  # Set the alarm to go off in 'seconds' seconds.
            try:
                yield
            finally:
                signal.signal(signal.SIGALRM, original_signal_handler)  # Restore the previous signal handler
                signal.alarm(0)  # Disable any remaining time

        result = None
        if self.timeout is not None:
            with timeout_manager(self.timeout):
                result = func(**kwargs)
        else:
            result = func(**kwargs)

        return result

# Example usage code (not part of the class definition)
if __name__ == "__main__":
    def read_file(path: str) -> str:
        """Simulate file reading operation."""
        with open(path, 'r') as file:
            return file.read()

    def log_error(error_message: str) -> None:
        """Log an error message to the console."""
        print(f"An error occurred: {error_message}")

    executor = FallbackExecutor(primary_func=read_file, fallback_func=log_error, timeout=5)
    try:
        result = executor.execute({'path': 'nonexistent.txt'})
    except Exception as e:
        print(e)  # This will execute the fallback function
```