import type { AnyIterable, AnySyncIterable, ArrayLikePredicate, AsyncArrayLikePredicate } from "../../types";
/**
 * Checks if every element in an input iterable satisfies a given predicate function.
 * Returns a Promise of a boolean value.
 *
 * @group Greedy helpers
 * @template T - The type of elements in the input iterable.
 * @param predicate - An async predicate function to test each element of the input iterable.
 * @returns A function that accepts an input iterable and returns a Promise of a boolean value.
 *
 * @example
 * ```ts
 * const input = [2, 4, 6];
 * const isEven = (x: number) => x % 2 === 0;
 * const everyResult = await every<number>(isEven)(input);
 * console.log(everyResult); // Logs true
 * ```
 */
export declare const every: <T>(predicate: AsyncArrayLikePredicate<T>) => (input: AnyIterable<T>) => Promise<boolean>;
/**
 * Checks if every element in an input sync iterable satisfies a given predicate function.
 * Returns a boolean value.
 *
 * @group Greedy helpers
 * @template T - The type of elements in the input sync iterable.
 * @param predicate - A predicate function to test each element of the input sync iterable.
 * @returns A function that accepts an input sync iterable and returns a boolean value.
 *
 * @example
 * ```ts
 * const input = [2, 4, 6];
 * const isEven = (x: number) => x % 2 === 0;
 * const everySyncResult = everySync<number>(isEven)(input);
 * console.log(everySyncResult); // Logs true
 * ```
 *
 * @remarks
 * Available as `every` when imported from `peter-piper/sync`.
 */
export declare const everySync: <T>(predicate: ArrayLikePredicate<T>) => (input: AnySyncIterable<T>) => boolean;