* returned.
   */
  @VisibleForTesting
  static <T> TypeToken<? extends T> toGenericType(Class<T> cls) {
    if (cls.isArray()) {
      Type arrayOfGenericType =
          Types.newArrayType(
              // If we are passed with int[].class, don't turn it to GenericArrayType
              toGenericType(cls.getComponentType()).runtimeType);
      @SuppressWarnings("unchecked") // array is covariant

  }

  public void testToGenericType() {
    assertEquals(TypeToken.of(String.class), TypeToken.toGenericType(String.class));
    assertEquals(new TypeToken<int[]>() {}, TypeToken.toGenericType(int[].class));
    @SuppressWarnings("rawtypes") // Iterable.class
    TypeToken<? extends Iterable> genericType = TypeToken.toGenericType(Iterable.class);
    assertEquals(Iterable.class, genericType.getRawType());
    assertEquals(

  }

  public void testToGenericType() {
    assertEquals(TypeToken.of(String.class), TypeToken.toGenericType(String.class));
    assertEquals(new TypeToken<int[]>() {}, TypeToken.toGenericType(int[].class));
    @SuppressWarnings("rawtypes") // Iterable.class
    TypeToken<? extends Iterable> genericType = TypeToken.toGenericType(Iterable.class);
    assertEquals(Iterable.class, genericType.getRawType());
    assertEquals(