val libDependencies = arrayOf(project.dependencies.create(notation))
        @Suppress("SpreadOperator")
        val templateVersionConfiguration = project.configurations.detachedConfiguration(*libDependencies)
        templateVersionConfiguration.resolutionStrategy.componentSelection.all {
            devSuffixes.forEach {
                if (it.containsMatchIn(candidate.version)) {

    // Add alpn-boot on Java 8 so we can use HTTP/2 without a stable API.
    val alpnBootVersion = alpnBootVersion()
    if (alpnBootVersion != null) {
      val alpnBootJar = configurations.detachedConfiguration(
        dependencies.create("org.mortbay.jetty.alpn:alpn-boot:$alpnBootVersion")
      ).singleFile
      tasks.withType<Test> {
        jvmArgs("-Xbootclasspath/p:${alpnBootJar}")
      }
    }