/**
 * Attempts to locate global installation of TypeScript
 */
export declare function getGlobalTsDir(): any;
export declare const mkdirIfNotExist: (dir: string) => string | false | undefined;
export declare function withFileLock<T>(filePath: string, fn: () => T): T;
export declare function writeFileWithLock(filePath: string, content: string): void;
export declare function readFileWithLock(filePath: string): string;
export declare function copyFileWithLock(src: string, dest: string): void;