interface ScreenSize {
    screenWidth: number;
    screenHeight: number;
}
interface InViewElement {
    id: string;
    element: Element | null;
}
interface InViewElementOptions {
    options?: IntersectionObserverInit;
    baseOn?: 'id' | 'class';
}

declare const useInViewElement: ({ options, baseOn, }?: InViewElementOptions) => InViewElement;

declare const useScreenSize: () => ScreenSize;

declare const useLocalStorage: <T>(key: string, initialValue: T | null) => readonly [T | null, (value: T) => void, () => void];

export { useInViewElement, useLocalStorage, useScreenSize };