export interface LazyLoadManagerOptions {
    rootMargin?: string;
    threshold?: number;
    srcAttribute?: string;
    loadedClass?: string;
    onLoad?: (element: HTMLElement) => void;
}
export type LazyLoadTarget = string | HTMLElement | NodeListOf<HTMLElement> | HTMLElement[];
export default class LazyLoadManager {
    private items;
    private options;
    private observer;
    constructor(target: LazyLoadTarget, options?: LazyLoadManagerOptions);
    loadAll(): void;
    destroy(): void;
    private static resolve;
    private observeItems;
    private load;
}
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