/**
 * Returns a uniformly random element from the input array.
 * @template T - Element type
 * @param {readonly T[]} items - Source array (must be non-empty)
 * @returns {T} A randomly selected element
 * @example
 * randomChoice(["a", "b", "c"]);
 */
export declare const randomChoice: <T>(items: readonly T[]) => T;