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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def save(self, filehandle, destination=None, metadata=None, validate=True, catch_all_errors=False, *args, **kwargs):
 """Saves the filehandle to the provided destination or the attached default destination. Allows passing arbitrary positional and keyword arguments to the saving mechanism :param filehandle: werkzeug.FileStorage instance :param dest: String path, callable or writable destination to pass the filehandle off to. Transfer handles transforming a string or writable object into a callable automatically. :param metadata: Optional mapping of metadata to pass to validators, preprocessors, and postprocessors. :param validate boolean: Toggle validation, defaults to True :param catch_all_errors boolean: Toggles if validation should collect all UploadErrors and raise a collected error message or bail out on the first one. """

        destination = destination or self._destination
        if destination is None:
            raise RuntimeError("Destination for filehandle must be provided.")

        elif destination is not self._destination:
            destination = _make_destination_callable(destination)

        if metadata is None:
            metadata = {}

        if validate:
            self._validate(filehandle, metadata)

        filehandle = self._preprocess(filehandle, metadata)
        destination(filehandle, metadata)
        filehandle = self._postprocess(filehandle, metadata)
        return filehandle