import type { First } from "../types/logic/first";
/**
 * Returns the first element of an array
 * @param array The input array
 * @returns The first element of the array, or undefined if the array is empty
 * @example first([1, 2, 3]); // 1
 */
export declare const first: <T extends unknown[]>(array: T) => First<T> extends never ? T[number] | undefined : First<T>;