import ViewManager from "../components/core/src/views/view-manager/ViewManager";
import dayjs from 'dayjs';
import { size } from 'lodash';
export declare const MAX_UPLOAD_IMAGE_SIZE = 50;
export declare const isDomElement: (el: any) => boolean;
export declare const closest: ($el: any, selector: any) => any;
export declare const isEsc: ({ keyCode }: {
    keyCode: any;
}) => boolean;
export declare const isVideoExt: (ext: string) => boolean;
export declare const isImageExt: (ext: string) => boolean;
export declare const isAudioExt: (ext: string) => boolean;
export declare const getFileThumbType: (extName: string) => string;
/**
 * 解析文件名称
 * @param fileName
 */
export declare const parseFileName: (fileName: string) => (string | undefined)[];
export declare const parseClassNames: (classNames: any) => any[];
export declare const addClass: ($el: any, classNames: any) => void;
export declare const setAttr: ($el: any, attr: any, value?: any) => void;
export declare const hasClass: ($el: any, className: string) => any;
export declare const isTextNode: ($el: Node) => boolean;
export declare const isRichTextFormatMIME: (type: string) => boolean;
/**
 * 解析文件MIME类型
 * @param fileType
 */
export declare const parseMIMEType: (fileType: string) => string[] | "";
export declare const fileToObjectUrl: (file: Blob | MediaSource) => string;
export declare function hideNormalError(e: {
    hideNormalError: () => void;
}): void;
export declare function canTrial(): boolean;
export declare function showLicenseConfirm(): void;
/**
 * 在新页面打开tab
 */
export declare const openInNewTab: (url: string | URL | undefined, windowName: string | undefined) => void;
export declare const UUID: () => string;
export declare const isPlatformUrl: (url: string) => boolean;
export declare const parseRequirementId: (url: string | URL) => null;
/**
 * 是否是MAC平台
 */
export declare const isMacPlatform: () => boolean;
/**
 * 判断是否是可预览的图片类型(大于20M图片不能预览)
 */
export declare const isPreviewableImage: (file: {
    size: number;
}) => boolean;
export declare const formatFileSize: (bytes: number) => string;
export declare const removeClass: ($el: any, classNames: any[]) => void;
/**
 * DOM元素重排
 * @param elem
 */
export declare const forceReLayout: (elem: any) => void;
export declare const getFilesFromEvent: (e: {
    nativeEvent: any;
    clipboardData: any;
    dataTransfer: any;
}, view: any) => any[] | undefined;
export declare const makeSureMoment: (date: string | number | Date | dayjs.Dayjs | null | undefined) => string | number | dayjs.Dayjs | null | undefined;
export declare const formatDateMem: ((dateStr: any, options?: any) => any) & import("lodash").MemoizedFunction;
export declare const getSingleton: (createInstance: {
    (): ViewManager;
    (arg0: any): any;
} | undefined) => (...args: any) => any;
export declare const doDownloadByUrl: (tempUrl: string) => void;
export declare function randomString(): string;