import { IMReceiveTypes } from "../interfaces/IM.i";
export declare const getTimeStamp: () => string;
export declare const getGuid: (n?: number) => string;
export declare const getSuffix: (text: string) => string;
export declare const formatPackage: (origin: IMReceiveTypes.DefaultMsg) => IMReceiveTypes.DefaultMsg;
export declare const checkSupport: () => boolean;
export declare const getFileFormat: (fileName: string) => number;
export declare const getImgFormat: (type?: string) => 0 | 1 | 255;