import type * as P from "@principia/prelude";
import type { Async, URI, V } from "./model";
export declare const map_: <R, E, A, B>(fa: Async<R, E, A>, f: (a: A) => B) => Async<R, E, B>;
export declare const map: <A, B>(f: (a: A) => B) => <R, E>(fa: Async<R, E, A>) => Async<R, E, B>;
export declare const Functor: P.Functor<[URI], V>;
//# sourceMappingURL=functor.d.ts.map