in server/src/main/kotlin/org/jetbrains/teamcity/sccache/SCCacheProjectFeatureProvider.kt [26:32]
override fun process(properties: MutableMap<String, String>): Collection<InvalidProperty> {
val config = getBackendConfigFromFeatureParameters(properties)
?: return listOf(InvalidProperty(ProjectFeatureSettings.BACKEND_TYPE, "Should be specified"))
val errors = HashMap<String, String>()
config.validate(errors)
return errors.map { (name, msg) -> InvalidProperty(name, msg) }
}