export interface LogLevel {
    /**
     * The log level string representation
     */
    readonly levelName: string;
    /**
     * The log level numeric value
     */
    readonly level: number;
}
/**
 * Construct Type from arguments
 *
 * @param levelName - the level string representation
 * @param level - the level value
 * @returns a new LoggerType
 */
export declare function LogLevel(levelName: string, level: number): LogLevel;
export declare namespace LogLevel {
    /**
     *
     * @param left - the left element
     * @param right - the right element
     *
     * @returns the comparison result
     */
    function compare(left: LogLevel, right: LogLevel): 1 | 0 | -1;
    /**
     *
     * @param level - the log level
     * @returns the level string representation
     */
    function stringify(level: LogLevel): string;
    /**
     *
     * @param level - the log level
     * @returns the level numerical value
     */
    function value(level: LogLevel): number;
    /**
     * Build a matching function `(anyLevelValue) => value` from a list of tuples `[level1, value1], [level2, value2], ...`
     *
     * @param matchers
     */
    function match<T>(matchers: [LogLevel, T][]): (anyLevelValue: LogLevel['level']) => null | undefined | T;
    function match<T>(matchers: [LogLevel, T][], defaultValue: T): (anyLevelValue: LogLevel['level']) => T;
    const Critical: LogLevel;
    const Error: LogLevel;
    const Warning: LogLevel;
    const Info: LogLevel;
    const Debug: LogLevel;
}
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