{"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"ProjectionTyExt,"}]}
    ProjectionTyExt, Substitution, Ty, TyBuilder, TyExt, WhereClause,
    DynTyExt, FnAbi, FnPointer, FnSig, GenericArg, Interner, OpaqueTy, ProjectionTy,
    db::{HirDatabase, InternedClosure, InternedCoroutine},