Macro minimal_quote_ts 

macro_rules! minimal_quote_ts {
    ((@ $($t:tt)*)) => { ... };
    (::) => { ... };
    (=>) => { ... };
    (+=) => { ... };
    (!=) => { ... };
    ($t:tt) => { ... };
}

🔬This is a nightly-only experimental API. (proc_macro_internals)