export declare const LOGLEVEL: {
    WARN: number;
    NORMAL: number;
    VERBOSE: number;
};
declare class Logger {
    loglevel: number;
    constructor(loglevel: number);
    _log(loglevel: number | undefined, message: string, ...optionalParams: any[]): void;
    log(message: string, ...optionalParams: any[]): void;
    print(message: string, ...optionalParams: any[]): void;
    warn(message: string, ...optionalParams: any[]): void;
}
export declare const createLogger: (_loglevel: number) => Logger;
export declare const isFile: (filePath: string) => Promise<boolean>;
export declare const isDir: (filePath: string) => Promise<boolean>;
export declare const isDirSync: (filePath: string | undefined) => boolean;
export declare const is: {
    windows: boolean;
    mac: boolean;
    linux: boolean;
};
export declare const appDataPath: (...subPath: string[]) => Promise<string>;
export declare const getDataDir: (...subPath: string[]) => Promise<string>;
export declare const isDirPath: (str: string) => boolean;
/**
 * Loosely validate a URL `string`.
 * https://github.com/segmentio/is-url/blob/master/index.js
 *
 * @param {String} str
 * @return {Boolean}
 */
export declare const isUrl: (str: string) => Promise<boolean>;
export declare const uuid: () => string;
export declare const resolveRuntimeDependency: (runtimeDependency?: any) => string | undefined;
export {};
//# sourceMappingURL=util.d.ts.map