/**
 * @fileoverview Decides how a video search result should be played: inline
 * (embedded iframe) when it carries a safe, embeddable `iframe_src`, or as an
 * external link otherwise.
 */
export interface VideoPlaybackSource {
    url?: string;
    iframe_src?: string;
}
export type VideoPlaybackTarget = {
    type: 'inline';
    src: string;
} | {
    type: 'external';
    url: string;
};
export declare function getVideoPlaybackTarget(source: VideoPlaybackSource): VideoPlaybackTarget;