import { IElement } from '../base';
/**
 * @summary FHIR R4
 * @description Time range defined by start and end date/time.
 * @property {string} start - Starting time with inclusive boundary
 * @property {string} end - End time with inclusive boundary, if not ongoing
 * @property {IElement} _start - Extension of start
 * @property {IElement} _end - Extension of end
 * @see http://www.hl7.org/fhir/R4/datatypes.html#Period http://www.hl7.org/fhir/R4/datatypes.html#Period
 * @author Roberto Araneda
 */
export interface IPeriod extends IElement {
    /**
     * @description Starting time with inclusive boundary
     * @description A date, date-time or partial date (e.g. just year or year + month) as used in human communication. The format is YYYY, YYYY-MM, YYYY-MM-DD or YYYY-MM-DDThh:mm:ss+zz:zz
     * @description The time "24:00" is not allowed.
     * @example 2018, 1973-06, 1905-08-23, 2015-02-07T13:28:17-05:00 or 2017-01-01T00:00:00.000Z
     */
    start?: string;
    /**
     * @description End time with inclusive boundary, if not ongoing
     * @description A date, date-time or partial date (e.g. just year or year + month) as used in human communication. The format is YYYY, YYYY-MM, YYYY-MM-DD or YYYY-MM-DDThh:mm:ss+zz:zz
     * @example 2018, 1973-06, 1905-08-23, 2015-02-07T13:28:17-05:00 or 2017-01-01T00:00:00.000Z
     */
    end?: string;
    /**
     * @description Extension of start
     */
    _start?: IElement;
    /**
     * @description Extension of end
     */
    _end?: IElement;
}