13af6ab5fSopenharmony_ci# Private '#' identifiers are not supported 23af6ab5fSopenharmony_ci 33af6ab5fSopenharmony_ciRule ``arkts-no-private-identifiers`` 43af6ab5fSopenharmony_ci 53af6ab5fSopenharmony_ci**Severity: error** 63af6ab5fSopenharmony_ci 73af6ab5fSopenharmony_ciArkTS does not use private identifiers starting with the symbol ``#``. Use 83af6ab5fSopenharmony_cithe keyword ``private`` instead. 93af6ab5fSopenharmony_ci 103af6ab5fSopenharmony_ci 113af6ab5fSopenharmony_ci## TypeScript 123af6ab5fSopenharmony_ci 133af6ab5fSopenharmony_ci 143af6ab5fSopenharmony_ci``` 153af6ab5fSopenharmony_ci 163af6ab5fSopenharmony_ci /* 173af6ab5fSopenharmony_ci * Such notation for private fields is not supported in ArkTS: 183af6ab5fSopenharmony_ci class C { 193af6ab5fSopenharmony_ci #foo: number = 42 203af6ab5fSopenharmony_ci } 213af6ab5fSopenharmony_ci */ 223af6ab5fSopenharmony_ci 233af6ab5fSopenharmony_ci``` 243af6ab5fSopenharmony_ci 253af6ab5fSopenharmony_ci## ArkTS 263af6ab5fSopenharmony_ci 273af6ab5fSopenharmony_ci 283af6ab5fSopenharmony_ci``` 293af6ab5fSopenharmony_ci 303af6ab5fSopenharmony_ci class C { 313af6ab5fSopenharmony_ci private foo: number = 42 323af6ab5fSopenharmony_ci } 333af6ab5fSopenharmony_ci 343af6ab5fSopenharmony_ci``` 353af6ab5fSopenharmony_ci 363af6ab5fSopenharmony_ci 37