type LogLevel = 'silent' | 'error' | 'warn' | 'info' | 'debug' | 'trace' | 'silly';
interface LogEvent {
    level: LogLevel;
    scope: string;
    ts: number;
    args: any[];
    code?: string;
    data?: any;
}
type LogTransport = (e: LogEvent) => void;
interface Logger {
    level(): LogLevel;
    setLevel(level: LogLevel): void;
    setTransport(t?: LogTransport): void;
    error(...a: any[]): void;
    warn(...a: any[]): void;
    info(...a: any[]): void;
    debug(...a: any[]): void;
    trace(...a: any[]): void;
    silly(...a: any[]): void;
    scope(child: string): Logger;
    code(level: LogLevel, code: string, msg: string, data?: any): void;
}
interface CreateLoggerOptions {
    level?: LogLevel;
    transport?: LogTransport;
    scope?: string;
}
declare function createLogger(opts?: CreateLoggerOptions): Logger;

export { type CreateLoggerOptions as C, type LogLevel as L, type LogTransport as a, type Logger as b, type LogEvent as c, createLogger as d };