{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"poly_existential_predicates:"}]}
    poly_existential_predicates: intern_poly_existential_predicates(PolyExistentialPredicate<'tcx>),
    canonical_var_kinds: pub mk_canonical_var_kinds(CanonicalVarKind<'tcx>),
    projs: pub mk_projs(ProjectionKind),