export declare const ResourceUtil: {
    fileTypeMap: {
        VIDEO: string[];
        AUDIO: string[];
        DOCUMENT: string[];
        ZIP: string[];
        PICTURE: string[];
        LINK: string[];
    };
    fileShowMap: (showType: string) => {
        type: string;
        name: string;
        tip: string;
        patternDom: string;
    };
    getFileSize: (limit: number) => string;
    getFileDuration: (val: number) => string;
};