{"ast_node_type":"impl","tokens":[{"end":94,"kind":"keyword","start":0,"text":"//"}]}
                // `impl ReachableTrait<UnreachableTy> for ReachableTy<UnreachableTy> { ... }`
                // components of its type or trait are unreachable. E.g. methods of
                // can be usable from other crates (#57264). So we skip args when calculating