import type { MaybeAsyncIterable } from "@thi.ng/api";
import type { AsyncReducer } from "./api.js";
/**
 * Async reducer which concatenates inputs into a string, each value separated
 * by `sep` (default: "").
 *
 * @param sep
 */
export declare function str<T>(sep?: string): AsyncReducer<T, string>;
export declare function str<T>(sep: string, src: MaybeAsyncIterable<T>): Promise<string>;
//# sourceMappingURL=str.d.ts.map