export declare const defaultLevels: {
    fatal: number;
    error: number;
    warn: number;
    notice: number;
    info: number;
    debug: number;
    trace: number;
};
export declare const defaultFormats: {
    fatal: string;
    error: string;
    warn: string;
    notice: string;
    info: string;
    debug: string;
    trace: string;
};
export declare const levelFormats: {};
export declare const appSym: unique symbol;
export declare const fieldSym: unique symbol;
export declare const noticeSym: unique symbol;
export declare const performanceSym: unique symbol;