{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"self"}]}
        self as ast, AssocItemKind, BindingMode, ExprKind, FnRetTy, FnSig, Generics, ItemKind,
    use rustc_ast::{
        MetaItemInner, PatKind, QSelf, TyKind, Visibility,