export type LoadeerElement = HTMLImageElement | HTMLSourceElement | HTMLVideoElement;
export type LoadeerInput<T extends HTMLElement> = string | T | T[] | NodeListOf<T>;
export interface LoadeerOptions {
    root?: Element | Document;
    rootMargin?: string;
    threshold?: number | number[];
    onLoaded?: (element: LoadeerElement) => void;
    useNativeLoading?: boolean;
}