export type LogLevel = 'debug' | 'info' | 'warn' | 'error';
export interface Logger {
    debug(tag: string, msg: string): void;
    info(tag: string, msg: string): void;
    warn(tag: string, msg: string): void;
    error(tag: string, msg: string, err?: Error): void;
}
export declare function createLogger(level: LogLevel): Logger;
