export declare class Logger {
    private static levels;
    name: string;
    private level;
    constructor(name: string, level: string);
    constructor(name: string, level: boolean);
    trace(message: string, ...optionalParams: any[]): void;
    info(message: string, ...optionalParams: any[]): void;
    warn(message: string, ...optionalParams: any[]): void;
    error(message: string, ...optionalParams: any[]): void;
    private log;
    enabled(level: string): boolean;
    toLevel(name: string): number;
}