/**
 * Create a string representation of date using internal standard
 * @param {Date} dateTime - A date object
 * @returns {string}
 */
export declare function formatDate(dateTime: Date): string;
/**
 * Create a string representation of time using internal standard
 * @param {Date} dateTime - A date object
 * @returns {string}
 */
export declare function formatTime(dateTime: Date): string;
/**
 * Create a string representation of date and time using internal standard
 * @param {Date} dateTime - A date object
 * @returns {string}
 */
export declare function formatDateTime(dateTime: Date): string;
/**
 * A standard-format date string or UNIX timestamp
 * @typedef {string|number} DateTimeValue
 * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/Date
 */
/**
 * Create a string representation of date/time using internal standard
 * @param {DateTimeValue} dateTimeValue - A single value date-time representation
 * @returns {string}
 */
export declare function formatDateTimeFromValue(dateTimeValue: Date): string;