{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"ProjectionTyExt,"}]}
    ProjectionTyExt, Solution, Substitution, TraitRef, Ty, TyKind, WhereClause, all_super_traits,
    AliasEq, AliasTy, Binders, BoundVar, CallableSig, GoalData, ImplTraitId, Interner, OpaqueTyId,
    db::HirDatabase,