export declare class NodeIntersectionObserver implements IntersectionObserver {
    root: Element | Document | null;
    rootMargin: string;
    thresholds: number[];
    disconnect(): void;
    observe(): void;
    takeRecords(): any;
    unobserve(): void;
}
export declare const AgnosticIntersectionObserver: typeof NodeIntersectionObserver | {
    new (callback: IntersectionObserverCallback, options?: IntersectionObserverInit | undefined): IntersectionObserver;
    prototype: IntersectionObserver;
};
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