{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"self,"}]}
    self, BottomUpFolder, GenericArgs, GenericParamDefKind, Ty, TyCtxt, TypeFoldable, TypeFolder,
use rustc_middle::ty::{
    TypeSuperFoldable, TypeVisitable, TypeVisitableExt, TypeVisitor, TypingMode, Upcast,