import { Extension } from './extension'; /** * A time period defined by a start and end date and optionally time. */ export interface Period { id?: string; /** * May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. */ extension?: Array; start?: Date; end?: Date; }