export function getTempName(prefix?: string | null | undefined): string;
export class TmpDir {
getTempDir(suffix?: string): Promise<string>;
createTempDir(suffix?: string): Promise<string>;
getTempFile(suffix: string, isDir?: boolean, disposer?: ((file: string) => Promise<void>) | null): Promise<string>;
cleanupSync(): void;
cleanup(): Promise<any>;
}