{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"//"}]}
        // references the trait. Relevant for the first case in
        // FIXME: also look at `tcx.generics_of(self.item_def_id()).params` any that
        // `src/test/ui/associated-types/associated-types-in-ambiguous-context.rs`