{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"Cow::Owned(token)"}]}
                Cow::Owned(token) => Cow::Owned(TokenTree::Token(token, *spacing)),
            TokenTree::Token(token, spacing) => match token.uninterpolate() {
                Cow::Borrowed(_) => Cow::Borrowed(self),