declare const versions: readonly ["4.7", "4.8", "4.9", "5.0", "5.1", "5.2", "5.3", "5.4", "5.5", "5.6", "5.7", "5.8", "5.9", "6.0"]; type Versions = typeof versions extends ArrayLike ? U : never; export declare const typescriptVersionIsAtLeast: Record; export {};