{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"hir_visit::walk_impl_item(cx,"}]}
                hir_visit::walk_impl_item(cx, impl_item);
                lint_callback!(cx, check_impl_item, impl_item);
                lint_callback!(cx, check_impl_item_post, impl_item);