export interface Logger {
    trace?(...data: unknown[]): void;
    debug?(...data: unknown[]): void;
    info?(...data: unknown[]): void;
    log?(...data: unknown[]): void;
    warn?(...data: unknown[]): void;
    error?(...data: unknown[]): void;
}
export declare enum LogLevel {
    Trace = 4,
    Debug = 3,
    Info = 2,
    Warn = 1,
    Error = 0,
    None = -1
}
export declare function levelLogger(level: LogLevel, logger?: Logger): Logger | undefined;