export interface BrowserPageCapture {
    /** Base64 encoded image bytes. */
    data: string;
    mediaType: string;
}
export interface BrowserPageExecutor {
    execute(script: string): Promise<unknown>;
    /** Reports viewer tab metadata to browser tab discovery. */
    metadata?(): {
        url?: string;
        title?: string;
        kind?: 'browser' | 'simulator';
    };
    /** Host-side screen capture; unavailable for iframe-based previews. */
    capture?(): Promise<BrowserPageCapture>;
    /** Opens a page-requested window as a controllable Otto browser tab. */
    openTab?(url: string): Promise<string | null>;
}
/** Connects a mounted browser surface to server-side browser tool commands. */
export declare function connectBrowserController(tabId: string, executor: BrowserPageExecutor): () => void;
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