/**
 * Returns the range of integers between start (including) and end (excluding).
 *
 * https://dev.to/namirsab/comment/2050
 * @param start
 * @param end
 */
export declare const range: (start: number, end: number) => number[];
/**
 * Check if two arrays are equal.
 *
 * @param a
 * @param b
 */
export declare const equal: <T>(a: T[], b: T[]) => Boolean;
/**
 * Move the `from` indexed item to the `to` indexed item of an array.
 *
 * @param items
 * @param from
 * @param to
 */
export declare const move: <T>(items: T[], from: number, to: number) => T[];
/**
 * Swap item `a` with `b`.
 *
 * @param items
 * @param a
 * @param b
 */
export declare const swap: <T>(items: T[], a: number, b: number) => T[];
/**
 * Get unique items based on their `identifier`.
 *
 * @param array
 * @param identifier default `'id'`
 * @returns
 */
export declare const unique: <T = any>(array: T[], identifier?: string) => T[];
/**
 * Shuffles the `values` of an array.
 *
 * @param array
 * @returns
 */
export declare const shuffle: <T = any>(values: T[]) => T[];