{"ast_node_type":"function","tokens":[{"end":91,"kind":"keyword","start":0,"text":"pub(crate)"}]}
        pub(crate) fn from_str(src: &str, call_site: S) -> Result<TokenStream<S>, String> {
    impl<S: Copy + fmt::Debug> TokenStream<S> {
            let subtree = syntax_bridge::parse_to_token_tree_static_span(