export declare enum DateFormat {
    Date = "yyyy-MM-dd",// Y4MD format
    DateTime = "yyyy-MM-dd HH:mm:ss"
}
/**
 * Given a date it formats the date to a string.
 *  - If `includeTime` is `true` the output format is `"YYYY-MM-DD HH:mm:ss"`.
 *    Example: `2023-05-19 15:22:27`
 *  - Otherwise, the output format is `"YYYY-MM-DD"`
 *    Example: `2023-05-19`
 * @param date The date to format to string
 * @param includeTime If should include hours, minutes and seconds
 * @returns The date formatted to a string
 */
export declare const fromDateToString: (date: Date, includeTime: boolean) => string;
/**
 * Given a string that represents a date, it formats the string to a date of ISO format.
 * @param dateString String that represents a date
 * @param format Format to parse the string to a date
 * @returns The string formatted to a date of ISO format
 */
export declare const fromStringToDateISO: (dateString: string) => Date;
/**
 * Given two strings that represent dates, calculate the difference in days
 * @param startDate ISO string format that represent the mayor date
 * @param endDate ISO string format that represent the minor date
 * @returns The number of days between the both params
 */
export declare const calculateDateDifference: (startDate: string | Date, endDate: string | Date) => number;
/**
 * Comparative date function
 * @param a object with a modified attribute
 * @param b object with a modified attribute
 * @returns Sort list by modified attribute
 */
export declare const compareModifiedAttr: (a: {
    modified: Date;
}, b: {
    modified: Date;
}) => 1 | 0 | -1;