buildFile << javaPluginToolchainVersion(jvm)
    }

    TestFile configureJavaPluginToolchainVersion(JvmInstallationMetadata installationMetadata) {
        buildFile << javaPluginToolchainVersion(installationMetadata)
    }

    String javaPluginToolchainVersion(Jvm jvm) {
        return javaPluginToolchainVersion(jvm.javaVersion.majorVersionNumber)
    }

        executer.beforeExecute {
            withInstallations(jdk)
        }
    }

    abstract Jvm computeJdkForTest()

    @Override
    String compilerConfiguration() {
        javaPluginToolchainVersion(jdk)
    }

    @Override
    String annotationProcessorExtraSetup() {
        compilerConfiguration()
    }

            group = "com.example"
            version = "1.0"

             java {
                targetCompatibility = ${higherVersion.javaVersion.majorVersion}
            }
            ${javaPluginToolchainVersion(higherVersion)}

            gradlePlugin {
                plugins.create('greeting') {
                    id = 'com.example.greeting'
                    implementationClass = 'example.plugin.GreetingPlugin'

        def jdk11 = AvailableJavaHomes.getJdk(JavaVersion.VERSION_11)

        buildFile << """
            apply plugin: "groovy"
            ${mavenCentralRepository()}

            ${javaPluginToolchainVersion(jdk11)}

            java {
                sourceCompatibility = "${javaVersion}"
                targetCompatibility = "${javaVersion}"
            }

            dependencies {

            .withToolchainDetectionEnabled()
        buildFile << """
            plugins {
                id("java")
            }
            ${javaPluginToolchainVersion(11)}
            ${mavenCentralRepository()}
            configurations { first {}; last {} }
            dependencies {
                // guarantee ordering
                first 'com.google.guava:guava:15.0'