{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":".map(|a|"}]}
                    .map(|a| a.name().map(|it| it.as_name()))
                    .rename()
                    .unwrap_or_else(|| extern_crate.value.name_ref().map(|it| it.as_name()))