    def save(self):
        self['__meta__'] = {
            'httpie': __version__
        }
        if self.helpurl:
            self['__meta__']['help'] = self.helpurl

        if self.about:
            self['__meta__']['about'] = self.about

        self.ensure_directory()

        json_string = json.dumps(
            obj=self,
            indent=4,
            sort_keys=True,
            ensure_ascii=True,
        )
        self.path.write_text(json_string + '\n', encoding=UTF8)