in server/src/main/kotlin/org/jetbrains/teamcity/sccache/SCCacheBuildFeature.kt [24:35]
override fun getParametersProcessor(): PropertiesProcessor {
return PropertiesProcessor { properties ->
val result = SmartList<InvalidProperty>()
val backend = properties[BuildFeatureSettings.BACKEND]
if (backend.isNullOrEmpty() || backend == "unspecified") {
result.add(InvalidProperty(BuildFeatureSettings.BACKEND, "Connection should be selected"))
}
result
}
}