import type { Fn, MaybeAsyncIterable, MaybePromise, Nullable } from "@thi.ng/api";
import type { AsyncTransducer } from "./api.js";
export declare function mapcat<A, B>(fn: Fn<A, MaybePromise<Nullable<MaybeAsyncIterable<B>>>>): AsyncTransducer<A, B>;
export declare function mapcat<A, B>(fn: Fn<A, MaybePromise<Nullable<MaybeAsyncIterable<B>>>>, src: MaybeAsyncIterable<A>): AsyncIterableIterator<B>;
//# sourceMappingURL=mapcat.d.ts.map