192 use proc_macro2::{Delimiter, Group, Literal, Punct, Span, TokenStream, TokenTree};
1186 impl Parse for TokenStream {  implementation
1248     fn parse2(self, tokens: TokenStream) -> Result<Self::Output>;  in parse2()
1256     fn parse(self, tokens: proc_macro::TokenStream) -> Result<Self::Output> {  in parse()
1257         self.parse2(proc_macro2::TokenStream::from(tokens))  in parse()
1270         self.parse2(proc_macro2::TokenStream::from_str(s)?)  in parse_str()
1275     fn __parse_scoped(self, scope: Span, tokens: TokenStream) -> Result<Self::Output> {  in __parse_scoped()
1294     fn parse2(self, tokens: TokenStream) -> Result<T> {  in parse2()
1308     fn __parse_scoped(self, scope: Span, tokens: TokenStream) -> Result<Self::Output> {  in __parse_scoped()
1325 pub(crate) fn parse_scoped<F: Parser>(f: F, scope: Span, tokens: TokenStream) -> Result<F::Output> {  in parse_scoped()
1380     fn to_tokens(&self, tokens: &mut TokenStream) {  in to_tokens()  argument