{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"#![feature(proc_macro_internals,"}]}
#![feature(proc_macro_internals, proc_macro_diagnostic, proc_macro_span)]
#![cfg_attr(feature = "in-rust-tree", feature(rustc_private))]
#![allow(unreachable_pub, internal_features, clippy::disallowed_types, clippy::print_stderr)]