def stringPackage = String.class.getPackage()
        def listPackage = List.class.getPackage()

        given:
        _ * parent1.getPackage('string') >> stringPackage
        _ * parent1.getPackage('list') >> null
        _ * parent2.getPackage('list') >> listPackage

        expect:
        loader.getPackage('string') == stringPackage
        loader.getPackage('list') == listPackage
    }

    static Package[] getPackages(ClassLoader classLoader) {
        return CLASS_LOADER_PACKAGES_FETCHER.getPackages(classLoader);
    }

    @Nullable
    static Package getPackage(ClassLoader classLoader, String name) {
        return CLASS_LOADER_PACKAGES_FETCHER.getPackage(classLoader, name);
    }

    public static <T> Class<T> define(ClassLoader targetClassLoader, String className, byte[] clazzBytes) {

        writeUTF(targetClass.getName());
    }

    private void writeClassLoader(Class<?> targetClass) throws IOException {
        if (TopLevelExceptionPlaceholder.class.getPackage().equals(targetClass.getPackage())) {
            writeShort(SAME_CLASSLOADER_TOKEN);
        } else {
            writeShort(map.visitClass(targetClass));
        }
    }

        throw new ClassNotFoundException(String.format("%s not found.", name));
    }

    @SuppressWarnings("deprecation")
    @Override
    protected Package getPackage(String name) {
        for (ClassLoader parent : parents) {
            Package p = ClassLoaderUtils.getPackage(parent, name);
            if (p != null) {
                return p;
            }
        }
        return null;
    }

    @Override

//
// It calls the getPackage function for the package path string of
// each dependency (perhaps indirect) that it encounters in the
// encoding. If the function returns nil, the fact is discarded.
//
// This function is preferred over [NewDecoder] when the client is
// capable of efficient look-up of packages by package path.
func NewDecoderFunc(pkg *types.Package, getPackage GetPackageFunc) *Decoder {
	return &Decoder{

 */
@ElementTypesAreNonnullByDefault
public final class Reflection {

  /**
   * Returns the package name of {@code clazz} according to the Java Language Specification (section
   * 6.7). Unlike {@link Class#getPackage}, this method only parses the class name, without
   * attempting to define the {@link Package} and hence load files.
   */
  public static String getPackageName(Class<?> clazz) {
    return getPackageName(clazz.getName());

 */
@ElementTypesAreNonnullByDefault
public final class Reflection {

  /**
   * Returns the package name of {@code clazz} according to the Java Language Specification (section
   * 6.7). Unlike {@link Class#getPackage}, this method only parses the class name, without
   * attempting to define the {@link Package} and hence load files.
   */
  public static String getPackageName(Class<?> clazz) {
    return getPackageName(clazz.getName());

    }

    void canSeePackage(String name) {
        assert classLoader.getPackage(name) != null
        assert classLoader.packages.any { it.name == name }
    }

    void cannotSeePackage(String name) {
        assert classLoader.getPackage(name) == null
        assert !classLoader.packages.any { it.name == name }
    }

    void canLoadClass(Class<?> clazz) {

        }

        return null;
    }

    private File makeVersionSpecificDir(File storageDir) {
        String jansiVersion = org.fusesource.jansi.Ansi.class.getPackage().getImplementationVersion();
        return new File(storageDir, "jansi/" + jansiVersion);
    }

                ?.unsubstitutedMemberScope
                ?: MemberScope.Empty
        } else {
            analysisContext.resolveSession.moduleDescriptor.getPackage(callableId.packageName).memberScope
        }

        @Suppress("UNCHECKED_CAST")
        return memberScope
            .getContributedDescriptors(DescriptorKindFilter.CALLABLES) { it == callableId.callableName }