import type { Arr } from '@toolbox-ts/types/defs/array';
/**
 * Partitions an array into two arrays based on a predicate function.
 * - The first array contains elements that satisfy the predicate.
 * - The second array contains elements that do not satisfy the predicate.
 *
 * @pure
 *
 * @example
 * ```ts
 * const [evens, odds] = partition([1, 2, 3, 4, 5], (n) => n % 2 === 0);
 * // evens is [2, 4]
 * // odds is [1, 3, 5]
 * ```
 */
export declare const partition: <T extends Arr = Arr>(arr: T, predicate: (item: T[number]) => boolean) => [T, T];