/**
 * Checks if two arrays have the same values, no matter what order.
 * @param array1
 * @param array2
 * @returns true if arrays have the same elements
 */
export declare function areEqual<T>(array1: T[], array2: T[]): boolean;
/**
 * Checks if one array is part of the other, no matter what order.
 * @param array1
 * @param array2
 * @returns true if array1 is part of array2
 */
export declare function isPartOf<T>(array1: T[], array2: T[]): boolean;