/**
 * Creates an array of unique values that are included in all given arrays.
 *
 * @param arrays - The arrays to inspect
 * @returns The new array of intersecting values
 *
 * @example
 * ```ts
 * intersection([2, 1], [2, 3]);
 * // => [2]
 * ```
 */
export declare function intersection<T>(...arrays: T[][]): T[];
/**
 * Creates an array of unique values that are included in all given arrays
 * using deep equality comparison.
 *
 * @param arrays - The arrays to inspect
 * @returns The new array of intersecting values
 *
 * @example
 * ```ts
 * intersectionDeep([{ 'x': 1 }, { 'x': 2 }], [{ 'x': 1 }, { 'x': 3 }]);
 * // => [{ 'x': 1 }]
 * ```
 */
export declare function intersectionDeep<T>(...arrays: T[][]): T[];
/**
 * Creates an array of unique values that are included in all given arrays
 * using a custom iteratee function.
 *
 * @param arrays - The arrays to inspect with the last array being a function or property name
 * @returns The new array of intersecting values
 *
 * @example
 * ```ts
 * intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);
 * // => [2.1]
 *
 * intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
 * // => [{ 'x': 1 }]
 * ```
 */
export declare function intersectionBy<T, K = T>(...arrays: [...T[][], ((value: T) => K) | keyof T]): T[];