/**
 * Separate the viewing value into dates
 * To make sure it always start with Monday, it will fill the blank by null value
 *
 * @param viewingValue - The date that user is viewing
 *
 * @returns The chunked dates as the example
 *
 * @example
 * [
 *  null, 1, 2, 3, 4, 5, 6,
 *  7, 8, 9, 10, 11, 12, 13,
 *  14, 15, 16, 17, 18, 19, 20,
 *  21, 22, 23, 24, 25, 26, 27,
 *  28, 29, 30, 31, null, null, null
 * ]
 */
export declare function useDates(viewingValue: Date): (number | null)[];