/**
 * Helper function to compare dates
 *
 * @param dateA First date
 * @param dateB Second date
 * @param comparatorFunction Comparator function to compare dates
 */
export declare function isDateEqual(dateA: Date | undefined, dateB: Date | undefined, comparatorFunction?: (date: Date) => number): boolean;
/**
 * Returns the weeks for the month
 *
 * @param month The date (preferably start of date of the month) whose month weeks are to computed
 */
export declare function getWeeksForMonth(month: Date): any[];
export declare function isDateDisabled(date: Date, startDate?: Date, endDate?: Date, disableDate?: (date: Date) => boolean): boolean;