import * as log4javascript from "log4javascript";
import { LogLevel } from "./log-level.model";
/**
 * Helper class for converting log levels from and to different data type.
 */
export declare class LogLevelConverter {
    /**
     * Converts log4javascript.Level to internal LogLevel.
     *
     * @param level log4javascript's data type
     * @return internal data type.
     */
    static levelFromLog4Javascript(level: log4javascript.Level): LogLevel;
    /**
     * Converts string representation to internal LogLevel.
     *
     * @param level string representation
     * @return internal data type.
     */
    static levelFromString(level: string): LogLevel;
    /**
     * Converts internal LogLevel to log4javascript.Level.
     *
     * @param internal data type.
     * @return level log4javascript's data type
     */
    static levelToLog4Javascript(level: LogLevel): log4javascript.Level;
}