interface LoggerOptions {
    service?: string;
    transporter?: string;
    output?: (str: string) => void;
}
declare function createLogger(options?: LoggerOptions): {
    emerg: (msg: string, payload?: Record<string, unknown>) => void;
    alert: (msg: string, payload?: Record<string, unknown>) => void;
    crit: (msg: string, payload?: Record<string, unknown>) => void;
    error: (msg: string, payload?: Record<string, unknown>) => void;
    warn: (msg: string, payload?: Record<string, unknown>) => void;
    notice: (msg: string, payload?: Record<string, unknown>) => void;
    info: (msg: string, payload?: Record<string, unknown>) => void;
    debug: (msg: string, payload?: Record<string, unknown>) => void;
};
declare let logger: {
    emerg: (msg: string, payload?: Record<string, unknown>) => void;
    alert: (msg: string, payload?: Record<string, unknown>) => void;
    crit: (msg: string, payload?: Record<string, unknown>) => void;
    error: (msg: string, payload?: Record<string, unknown>) => void;
    warn: (msg: string, payload?: Record<string, unknown>) => void;
    notice: (msg: string, payload?: Record<string, unknown>) => void;
    info: (msg: string, payload?: Record<string, unknown>) => void;
    debug: (msg: string, payload?: Record<string, unknown>) => void;
};
declare function initLogger(options: LoggerOptions): void;
type Logger = ReturnType<typeof createLogger>;

export { type Logger, createLogger, initLogger, logger };