import type { CdpSend } from "./types.js";
/** An isolated JavaScript world for one tab. Element properties written here are
 *  per-world in Blink, so refs are invisible to the page and every ref must be
 *  rebuilt when the world is lost. */
export declare class PageWorld {
    private frameId;
    private contextId;
    private generation;
    /** Bumped whenever the world is rebuilt; every ref minted before it is void. */
    get worldGeneration(): number;
    invalidate(): void;
    reset(): void;
    warm(send: CdpSend, sessionId: string): Promise<void>;
    /** Calls `fn` in the isolated world with `arg`, rebuilding the world once if it
     *  was torn down by a navigation. Throws with the page-side message on error. */
    call<T>(send: CdpSend, sessionId: string, fn: string, arg: unknown): Promise<T>;
    private run;
    private context;
    private mainFrame;
}
//# sourceMappingURL=world.d.ts.map