declare class FunLogger {
    protected apiKey: string | null;
    protected isDebugMode: boolean;
    protected userId: string | null;
    protected userAddress: string | null;
    protected userName: string | null;
    protected userLoginType: string | null;
    protected sdkVersion: string | null;
    protected deviceId: string | null;
    constructor();
    private getFunLogEnv;
    private logDataDog;
    private onDebug;
    private onInfo;
    private onWarn;
    private onError;
    /**========================
     * PUBLIC LOGGER FUNCTIONS
     *=========================*/
    log(title: string, data?: object): void;
    info(title: string, data?: object): void;
    debug(title: string, data?: object): void;
    warn(title: string, data?: object): void;
    error(title: string, error: Error, data?: object): void;
    configure(apiKey: string | null, isDebug: boolean, sdkVersion: string): void;
    getUserId(): string | null;
    getUserAddress(): string | null;
    getUserName(): string | null;
    getUserLoginType(): string | null;
    setUserInfo(userId: string, userAddress: string, userName: string, userLoginType: string, deviceId: string): void;
    setDeviceId(deviceId: string): void;
}
declare const logger: FunLogger;
export { logger };