import { Externalmedia } from './Externalmedia';
import { Video } from './Video';
import { Instant } from './Item';
export declare class Externalvideo extends Video implements Externalmedia {
    externalDate?: Instant;
    externalId?: string;
    externalSource?: string;
    externalURL?: string;
    externalValidityDate?: Instant;
    constructor(src: Externalvideo);
}