supportedLocalesOf
fun supportedLocalesOf(locales: String, options: SupportedLocalesOptions = definedExternally): ReadonlyArray<ERROR CLASS: Symbol not found for JsString>(source)
fun supportedLocalesOf(locales: ReadonlyArray<ERROR CLASS: Symbol not found for JsString>, options: SupportedLocalesOptions = definedExternally): ReadonlyArray<ERROR CLASS: Symbol not found for JsString>(source)