export declare enum LogLevel {
    LOG = 0,
    DEBUG = 1,
    WARN = 2,
    ERROR = 3
}
export default abstract class Logger {
    static LOGGER_KEY: string;
    private static logLevel;
    private static debugging;
    static getLogLevel(): LogLevel;
    static setLogLevel(logLevel: LogLevel): void;
    static enableDebugging(): void;
    static disableDebugging(): void;
    static getDebuggingState(): boolean;
    static log(...messages: unknown[]): void;
    static warn(...messages: unknown[]): void;
    static error(...messages: unknown[]): void;
    static debug(...messages: unknown[]): void;
}