syntax_data: {"ast_node_type":"function","tokens":[{"end":72,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn peel_off_free_alias_tys(self, mut ty: Ty<'tcx>) -> Ty<'tcx> {
context_before:     /// [expand_free_alias_tys]: Self::expand_free_alias_tys
context_after:         let ty::Alias(ty::Free, _) = ty.kind() else { return ty };