expect:
        JavaVersion.forClassVersion(45) == JavaVersion.VERSION_1_1
        JavaVersion.forClassVersion(46) == JavaVersion.VERSION_1_2
        JavaVersion.forClassVersion(47) == JavaVersion.VERSION_1_3
        JavaVersion.forClassVersion(48) == JavaVersion.VERSION_1_4
        JavaVersion.forClassVersion(49) == JavaVersion.VERSION_1_5
        JavaVersion.forClassVersion(50) == JavaVersion.VERSION_1_6

        }
        return currentJavaVersion;
    }

    static void resetCurrent() {
        currentJavaVersion = null;
    }

    public static JavaVersion forClassVersion(int classVersion) {
        return getVersionForMajor(classVersion - CLASS_MAJOR_VERSION_OFFSET);
    }

    public static JavaVersion forClass(byte[] classData) {
        if (classData.length < 8) {

            if (classEntry == null) {
                throw new Exception("Could not find a class entry for: " + file)
            }
            return JavaVersion.forClassVersion(JavaClassUtil.getClassMajorVersion(jarFile.getInputStream(classEntry)))
        } finally {
            jarFile.close()
        }
    }

    Manifest getManifest() {
        return theManifest.get()
    }

                Integer majorVersion = JavaClassUtil.getClassMajorVersion(desc.getName(), loader);
                if (majorVersion != null) {
                    throw new UnsupportedClassVersionErrorWithJavaVersion(e, JavaVersion.forClassVersion(majorVersion));
                }
                // We could not find the class. Throw the original error.
                throw e;
            } catch (IOException ignored) {

    private
    fun supportedKotlinJavaVersion(version: JavaVersion = JavaVersion.current()): JavaVersion {
        val maxVersion = JavaVersion.forClassVersion(JvmTarget.supportedValues().last().majorVersion)
        return minOf(version, maxVersion)
    }