}

    @Nullable
    public static Jvm getAvailableJdk(final Spec<? super JvmInstallationMetadata> filter) {
        return Iterables.getFirst(getAvailableJdks(filter), null);
    }

    @Nullable
    private static Jvm getSupportedJdk(final Spec<? super JvmInstallationMetadata> filter) {
        return getAvailableJdk(it -> isSupportedVersion(it) && filter.isSatisfiedBy(it));
    }

                options.compilerArgs += [
                    '--system', '${javaHome}'
                ]
            """
        }
    }

    Jvm getLowerJvm() {
        def lower = AvailableJavaHomes.getAvailableJdk { element -> element.getLanguageVersion() < Jvm.current().javaVersion }
        Assume.assumeTrue(lower != null)
        return lower
    }