syntax_data: {"ast_node_type":"import","tokens":[{"end":46,"kind":"keyword","start":0,"text":"use"}]}
source_snippet: use rustc_span::{DUMMY_SP, Span, Symbol, sym};
context_before: use rustc_macros::{HashStable, TyDecodable, TyEncodable, TypeFoldable, extension};
context_after: use rustc_type_ir::TyKind::*;