export declare const virtualizerUUID: {
    value: number;
};
export type Rect = {
    width: number;
    height: number;
    top?: number;
};
export declare function getRectSize(id: string, success?: (rect: Rect) => void, fail?: () => void, retryMs?: number): void;
export declare function getRectSizeAsync(id: string, retryMs?: number, retryTimes?: number): Promise<Rect>;
export declare function getScrollViewContextNode(id: string): Promise<unknown>;
export declare function getWindowRect(): {
    width: number;
    height: number;
};
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