import type * as P from "@principia/prelude";
import type { URI, V } from "./model";
/**
 * ```haskell
 * alt_ :: Alt f => (f a, (() -> f a)) -> f a
 * ```
 *
 * Combines two `Array`s
 *
 * @category Alt
 * @since 1.0.0
 */
export declare const alt_: <A>(fa: readonly A[], that: () => readonly A[]) => readonly A[];
/**
 * ```haskell
 * alt :: Alt f => (() -> f a) -> f a -> f a
 * ```
 *
 * Combines two `Array`s
 *
 * @category Alt
 * @since 1.0.0
 */
export declare const alt: <A>(that: () => readonly A[]) => (fa: readonly A[]) => readonly A[];
export declare const Alt: P.Alt<[URI], V>;
//# sourceMappingURL=alt.d.ts.map