/**
 * Logger level.
 */
export declare const enum LoggerLevel {
    /**
     * Off level.
     * Turn off logging.
     */
    OFF = "off",
    /**
     * Debug level.
     */
    DEBUG = "debug",
    /**
     * Informational level.
     */
    INFO = "info",
    /**
     * Warning level.
     */
    WARN = "warn",
    /**
     * Error level.
     */
    ERROR = "error"
}