export declare const LOG_SOURCE: {
    readonly LINTER: "LINTER";
    readonly CONFIG: "CONFIG";
    readonly CLI: "CLI";
    readonly UTIL: "UTIL";
    readonly RULE: "RULE";
};
type LogSource = (typeof LOG_SOURCE)[keyof typeof LOG_SOURCE];
declare class Logger {
    private static instance;
    private readonly debugMode;
    private constructor();
    static init(debug?: boolean): Logger;
    private static formatMessage;
    private static getColoredLevel;
    debug(source: LogSource, ...options: unknown[]): void;
    info(...options: unknown[]): void;
    warn(...options: unknown[]): void;
    error(...options: unknown[]): void;
}
export { Logger };