{"ast_node_type":"variable","tokens":[{"end":100,"kind":"keyword","start":0,"text":"let"}]}
            let ast_id = AstId::new(macro_call.file_id, this.ast_id_map().ast_id(macro_call.value));
            let expands_to = hir_expand::ExpandTo::from_call_site(macro_call.value);
            let path = macro_call.value.path().and_then(|path| {