private final Class<?> rawType;

    ParameterizedTypeImpl(@Nullable Type ownerType, Class<?> rawType, Type[] typeArguments) {
      checkNotNull(rawType);
      checkArgument(typeArguments.length == rawType.getTypeParameters().length);
      disallowPrimitiveType(typeArguments, "type parameter");
      this.ownerType = ownerType;
      this.rawType = rawType;

    private final Class<?> rawType;

    ParameterizedTypeImpl(@Nullable Type ownerType, Class<?> rawType, Type[] typeArguments) {
      checkNotNull(rawType);
      checkArgument(typeArguments.length == rawType.getTypeParameters().length);
      disallowPrimitiveType(typeArguments, "type parameter");
      this.ownerType = ownerType;
      this.rawType = rawType;

      }
      return invokeGeneratorMethod(generate, args.toArray());
    }
    return defaultGenerate(rawType);
  }

  private <T> @Nullable T defaultGenerate(Class<T> rawType) {
    if (rawType.isInterface()) {
      // always create a new proxy
      return newProxy(rawType);
    }
    return ArbitraryInstances.get(rawType);
  }

  private <T> T newProxy(Class<T> interfaceType) {

      }
      return invokeGeneratorMethod(generate, args.toArray());
    }
    return defaultGenerate(rawType);
  }

  private <T> @Nullable T defaultGenerate(Class<T> rawType) {
    if (rawType.isInterface()) {
      // always create a new proxy
      return newProxy(rawType);
    }
    return ArbitraryInstances.get(rawType);
  }

  private <T> T newProxy(Class<T> interfaceType) {

    return method.getGenericParameterTypes()[0];
  }

  @SuppressWarnings({"rawtypes", "unchecked"})
  private static Type getSupertype(Type type, Class<?> superclass) {
    Class rawType = superclass;
    return TypeToken.of(type).getSupertype(rawType).getType();
  }

  private static Type getSubtype(Type type, Class<?> subclass) {

    }
    return args;
  }

  private <T> @Nullable T getDummyValue(TypeToken<T> type) {
    Class<? super T> rawType = type.getRawType();
    @SuppressWarnings("unchecked") // Assume all default values are generics safe.
    T defaultValue = (T) defaultValues.getInstance(rawType);
    if (defaultValue != null) {
      return defaultValue;
    }

    assertTrue(multimap.asMap() instanceof SortedMap);
  }

  // J2kt cannot translate the Comparable rawtype in a usable way (it becomes Comparable<Object>
  // but types are typically only Comparable to themselves).
  @SuppressWarnings({"rawtypes", "unchecked"})
  private static MultimapBuilderWithKeys<Comparable<?>> rawtypeToWildcard(
      MultimapBuilderWithKeys<Comparable> treeKeys) {

      }
      if (type instanceof ParameterizedType) {
        ParameterizedType parameterizedType = (ParameterizedType) type;
        Class<?> rawType = (Class<?>) parameterizedType.getRawType();
        TypeVariable<?>[] typeVars = rawType.getTypeParameters();
        Type[] typeArgs = parameterizedType.getActualTypeArguments();
        for (int i = 0; i < typeArgs.length; i++) {

    }
    return args;
  }

  private <T> @Nullable T getDummyValue(TypeToken<T> type) {
    Class<? super T> rawType = type.getRawType();
    @SuppressWarnings("unchecked") // Assume all default values are generics safe.
    T defaultValue = (T) defaultValues.getInstance(rawType);
    if (defaultValue != null) {
      return defaultValue;
    }

      }
      if (type instanceof ParameterizedType) {
        ParameterizedType parameterizedType = (ParameterizedType) type;
        Class<?> rawType = (Class<?>) parameterizedType.getRawType();
        TypeVariable<?>[] typeVars = rawType.getTypeParameters();
        Type[] typeArgs = parameterizedType.getActualTypeArguments();
        for (int i = 0; i < typeArgs.length; i++) {