{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":".filter_map(|(_,"}]}
            .filter_map(|(_, simplified_self_ty)| *simplified_self_ty)
            .flat_map(|(_, crate_)| self.r.tcx.implementations_of_trait((*crate_, default_trait)))
            .filter_map(|simplified_self_ty| match simplified_self_ty {