{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"PlaceOp::Index"}]}
            PlaceOp::Index => (self.tcx.lang_items().index_mut_trait(), sym::index_mut),
            PlaceOp::Deref => (self.tcx.lang_items().deref_mut_trait(), sym::deref_mut),
        }) else {