export declare const POSTHOG_REPLAY_SNAPSHOT_REQUEST = "posthog:replay:request-full-snapshot";
interface PostHogRrweb {
    record: {
        takeFullSnapshot?: () => void;
    };
}
type PostHogReplayMessageListener = (event: {
    data: unknown;
    source: unknown;
}) => void;
interface PostHogReplayWindow {
    readonly parent: unknown;
    readonly frames: ArrayLike<{
        postMessage: (message: string, targetOrigin: string) => void;
    }>;
    readonly __PosthogExtensions__?: {
        rrweb?: PostHogRrweb;
    };
    addEventListener(type: "message", listener: PostHogReplayMessageListener): void;
    removeEventListener(type: "message", listener: PostHogReplayMessageListener): void;
    setTimeout(listener: () => void, timeout: number): number;
    clearTimeout(timeoutId: number): void;
}
declare global {
    interface Window {
        __PosthogExtensions__?: {
            rrweb?: PostHogRrweb;
        };
    }
}
export declare function requestChildPostHogReplaySnapshots({ targetWindow, }: {
    targetWindow: PostHogReplayWindow;
}): void;
export declare function startPostHogReplaySnapshotCascade({ isRecordingStarted, targetWindow, onReady, }: {
    isRecordingStarted: () => boolean;
    targetWindow: PostHogReplayWindow;
    onReady?: () => void;
}): () => void;
export declare function startChildPostHogReplaySnapshotRelay({ isRecordingStarted, targetWindow, }: {
    isRecordingStarted: () => boolean;
    targetWindow: PostHogReplayWindow;
}): () => void;
export {};