return create(AUDIO_TYPE, subtype);
  }

  /**
   * Creates a media type with the "font" type and the given subtype.
   *
   * @throws IllegalArgumentException if subtype is invalid
   */
  static MediaType createFontType(String subtype) {
    return create(FONT_TYPE, subtype);
  }

  /**
   * Creates a media type with the "image" type and the given subtype.
   *

  public abstract Iterable<T> children(T root);

  /**
   * Returns an unmodifiable iterable over the nodes in a tree structure, using pre-order traversal.
   * That is, each node's subtrees are traversed after the node itself is returned.
   *
   * <p>No guarantees are made about the behavior of the traversal when nodes change while iteration

    Type subtype = new TypeCapture<TypedKeyMap<T>>() {}.capture();
    assertEquals(
        new TypeCapture<TypedKeyMap<String>>() {}.capture(),
        new TypeResolver()
            .where(
                new TypeCapture<Map<Integer, T>>() {}.capture(),
                new TypeCapture<Map<?, String>>() {}.capture())
            .resolveType(subtype));
  }

  /** Call this in a {@link TestSubtype} public method asserting subtype relationship. */
  final <T> T isSubtype(T sub) {
    Type returnType = method.getGenericReturnType();
    Type paramType = getOnlyParameterType();
    TestSubtype spec = method.getAnnotation(TestSubtype.class);
    assertWithMessage("%s is subtype of %s", paramType, returnType)
        .that(TypeToken.of(paramType).isSubtypeOf(returnType))

    }
    ParameterizedType subtype =
        (ParameterizedType)
            new TypeToken<BaseWithTypeVar<List<?>>>() {}.getSubtype(Outer.Sub.class).getType();
    assertEquals(Outer.Sub.class, subtype.getRawType());
    assertThat(subtype.getActualTypeArguments()[0]).isInstanceOf(WildcardType.class);
    ParameterizedType owner = (ParameterizedType) subtype.getOwnerType();

    assertEquals("application", newType.type());
    assertEquals("yams", newType.subtype());
  }

  public void testCreateAudioType() {
    MediaType newType = MediaType.createAudioType("yams");
    assertEquals("audio", newType.type());
    assertEquals("yams", newType.subtype());
  }

  public void testCreateFontType() {
    MediaType newType = MediaType.createFontType("yams");

    }

    public SmbTreeImpl acquire() {
        return acquire(true);
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbTree#unwrap(java.lang.Class)
     */
    @SuppressWarnings("unchecked")
    @Override
    public <T extends SmbTree> T unwrap(final Class<T> type) {
        if (type.isAssignableFrom(this.getClass())) {
            return (T) this;
        }

        assertNull(ex.getCause(), "Default constructor should have null cause");
        assertTrue(ex instanceof CIFSException, "Should be a CIFSException subtype");

        // Assert throwing/catching behavior with assertThrows
        SMBProtocolDecodingException thrown = assertThrows(SMBProtocolDecodingException.class, () -> {
            throw new SMBProtocolDecodingException();

    }
    ParameterizedType subtype =
        (ParameterizedType)
            new TypeToken<BaseWithTypeVar<List<?>>>() {}.getSubtype(Outer.Sub.class).getType();
    assertEquals(Outer.Sub.class, subtype.getRawType());
    assertThat(subtype.getActualTypeArguments()[0]).isInstanceOf(WildcardType.class);
    ParameterizedType owner = (ParameterizedType) subtype.getOwnerType();

  public abstract Iterable<T> children(T root);

  /**
   * Returns an unmodifiable iterable over the nodes in a tree structure, using pre-order traversal.
   * That is, each node's subtrees are traversed after the node itself is returned.
   *
   * <p>No guarantees are made about the behavior of the traversal when nodes change while iteration