export declare class Log { private prefix; constructor(prefix?: string); get info(): { (...data: any[]): void; (message?: any, ...optionalParams: any[]): void; }; get warn(): { (...data: any[]): void; (message?: any, ...optionalParams: any[]): void; }; get error(): { (...data: any[]): void; (message?: any, ...optionalParams: any[]): void; }; } export declare const log: Log;