{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"DynTyExt,"}]}
    DynTyExt, FnAbi, FnPointer, FnSig, GenericArg, Interner, OpaqueTy, ProjectionTy,
    Adjust, Adjustment, AliasEq, AliasTy, Binders, BindingMode, ChalkTraitId, ClosureId, DynTy,
    ProjectionTyExt, Substitution, Ty, TyBuilder, TyExt, WhereClause,