13af6ab5fSopenharmony_ci# Ambient module declaration is not supported 23af6ab5fSopenharmony_ci 33af6ab5fSopenharmony_ciRule ``arkts-no-ambient-decls`` 43af6ab5fSopenharmony_ci 53af6ab5fSopenharmony_ci**Severity: error** 63af6ab5fSopenharmony_ci 73af6ab5fSopenharmony_ciArkTS does not support ambient module declaration because it has its 83af6ab5fSopenharmony_ciown mechanisms for interoperating with JavaScript. 93af6ab5fSopenharmony_ci 103af6ab5fSopenharmony_ci 113af6ab5fSopenharmony_ci## TypeScript 123af6ab5fSopenharmony_ci 133af6ab5fSopenharmony_ci 143af6ab5fSopenharmony_ci``` 153af6ab5fSopenharmony_ci 163af6ab5fSopenharmony_ci declare module "someModule" { 173af6ab5fSopenharmony_ci export function normalize(s : string) : string; 183af6ab5fSopenharmony_ci } 193af6ab5fSopenharmony_ci 203af6ab5fSopenharmony_ci``` 213af6ab5fSopenharmony_ci 223af6ab5fSopenharmony_ci## ArkTS 233af6ab5fSopenharmony_ci 243af6ab5fSopenharmony_ci 253af6ab5fSopenharmony_ci``` 263af6ab5fSopenharmony_ci 273af6ab5fSopenharmony_ci // Import what you need from the original module 283af6ab5fSopenharmony_ci import { normalize } from "someModule" 293af6ab5fSopenharmony_ci 303af6ab5fSopenharmony_ci``` 313af6ab5fSopenharmony_ci 323af6ab5fSopenharmony_ci## See also 333af6ab5fSopenharmony_ci 343af6ab5fSopenharmony_ci- Recipe 129: Wildcards in module names are not supported (``arkts-no-module-wildcards``) 353af6ab5fSopenharmony_ci 36