import { ElementObserver } from "./elementObserver";
declare const _default: {
    dataURLtoFile: (dataurl: any, filename: any) => File;
    dataURLtoBlob: (dataurl: any) => Blob;
    blobToFile: (blob: any, fileName: string) => any;
    readAsDataURL: (file: any, cb: any) => void;
    downloadUrl: (url: string, filename?: string, checkSomeOrigin?: boolean) => void;
    download: (urlOrFile: string | Blob | MediaSource, filename?: string) => void;
    downloadFile: (data: Blob | MediaSource, filename?: string) => void;
    downloadImage: (url: string) => Promise<void> | undefined;
    watermark: (text: string, { width, height, angle, fillStyle, font, textAlign, textBaseline, }?: {
        width?: number | undefined;
        height?: number | undefined;
        angle?: number | undefined;
        fillStyle?: string | undefined;
        font?: string | undefined;
        textAlign?: "center" | "end" | "left" | "right" | "start" | undefined;
        textBaseline?: "alphabetic" | "bottom" | "hanging" | "ideographic" | "middle" | "top" | undefined;
    }) => string;
    copyText: (text: string, legacy?: boolean) => Promise<boolean>;
    queryPermission: (name: string, def?: PermissionState) => Promise<PermissionState>;
    isAllowed: (status: PermissionState | undefined, prompt?: boolean) => boolean;
    legacyCopy: (text: string) => boolean;
    takeHtmlLinks: (htmlContent: string) => never[];
    takeHtml: (htmlContent: string, regex: RegExp) => string[];
    toBlobUrl: (part: BlobPart, mime?: string) => string;
    workerURL: (fn: Function) => string;
    getVideoMetadata: (source: string | Blob | MediaSource | File, timeout?: number) => Promise<{
        width: number;
        height: number;
        duration: number;
    }>;
    getImageMetadata: (source: string | Blob | File, timeout?: number) => Promise<{
        width: number;
        height: number;
    }>;
    ElementObserver: typeof ElementObserver;
    watchTextChange: (element: HTMLElement, callback: (newText: string, oldText: string) => void) => (() => void) | undefined;
    watchAttrChange: (element: HTMLElement | null | undefined, callback: (attrName: string, newValue: string | null, oldValue: string | null) => void, attrs?: string[] | undefined) => (() => void) | undefined;
    watchElementChange: (element: Element | null, options?: {
        onText?: ((newText: string, oldText: string) => void) | undefined;
        onAttr?: ((name: string, newValue: string | null, oldValue: string | null) => void) | undefined;
        attrFilter?: string[] | null | undefined;
    } | undefined) => (() => void) | undefined;
    waitForElement: (selector: string, timeout?: number) => Promise<Element | null>;
};
export default _default;