{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"self"}]}
    self as ast, AnonConst, AttrArgs, AttrId, ByRef, Const, CoroutineKind, DUMMY_NODE_ID,
use rustc_ast::{
    DelimArgs, Expr, ExprKind, Extern, HasAttrs, HasTokens, Mutability, Recovered, Safety, StrLit,