// https://www.jetbrains.com/help/teamcity/shared-resources.html#Viewing+Shared+Resources+Usage
            // https://blog.jetbrains.com/teamcity/2013/05/explaining-the-shared-resources-plugin/
            // we only allow 1 promotion job running at the same time to avoid website xml conflicts
            feature {
                type = "JetBrains.SharedResources"
                param("locks-param", "WebsiteReleasesXml writeLock")
            }