{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"GenericArgKind::Const(ct)"}]}
            GenericArgKind::Const(ct) => Self::maybe_from_const(ct),
            GenericArgKind::Type(ty) => Self::maybe_from_ty(ty),
            GenericArgKind::Lifetime(_) => None,