export declare const LOG_LEVEL_NAMES: {
    error: string;
    warn: string;
    info: string;
    debug: string;
    verbose: string;
    silly: string;
};
export declare const TIMESTAMP_FORMATS: {
    DEFAULT: string;
    COMPACT: string;
    TIME_ONLY: string;
    ISO: undefined;
};
export declare enum LogFormat {
    PRETTY = "pretty",
    JSON = "json",
    MINIMAL = "minimal"
}