import type * as P from "@principia/prelude";
import type { Const, URI, V } from "./model";
export declare const bimap_: <E, A, D, B>(pab: Const<E, A>, f: (e: E) => D, _: (a: A) => B) => Const<D, B>;
export declare const bimap: <E, A, D, B>(f: (e: E) => D, g: (a: A) => B) => (pab: Const<E, A>) => Const<D, B>;
export declare const first_: <E, A, D>(pab: Const<E, A>, f: (e: E) => D) => Const<D, A>;
export declare const first: <E, D>(f: (e: E) => D) => <A>(pab: Const<E, A>) => Const<D, A>;
/**
 * @category Bifunctor
 * @since 1.0.0
 */
export declare const Bifunctor: P.Bifunctor<[URI], V>;
//# sourceMappingURL=bifunctor.d.ts.map