import { DirectiveBinding } from 'vue';
import { LazyOptions, Lifecycle, NormalizedLazyValue, ResolvedLazyOptions, ValueFormatterObject } from './types';
export default class Lazy {
    options: ResolvedLazyOptions;
    private readonly observer;
    private readonly elementValues;
    constructor(options?: LazyOptions);
    config(options?: LazyOptions): void;
    mount(el: HTMLElement, binding: string | DirectiveBinding<string | ValueFormatterObject>): void;
    update(el: HTMLElement, binding: string | DirectiveBinding<string | ValueFormatterObject>): void;
    unmount(el: HTMLElement): void;
    loadImages(el: HTMLElement, src: string, error?: string, lifecycle?: Lifecycle): void;
    _valueFormatter(value: ValueFormatterObject | string): NormalizedLazyValue;
    _log(callback: () => void): void;
    private _getBindingValue;
    private _isSameValue;
    private _logger;
}