MediaType newType = MediaType.createFontType("yams");
    assertEquals("font", newType.type());
    assertEquals("yams", newType.subtype());
  }

  public void testCreateImageType() {
    MediaType newType = MediaType.createImageType("yams");
    assertEquals("image", newType.type());
    assertEquals("yams", newType.subtype());
  }

  public void testCreateTextType() {

    MediaType newType = MediaType.createFontType("yams");
    assertEquals("font", newType.type());
    assertEquals("yams", newType.subtype());
  }

  public void testCreateImageType() {
    MediaType newType = MediaType.createImageType("yams");
    assertEquals("image", newType.type());
    assertEquals("yams", newType.subtype());
  }

  public void testCreateTextType() {

            val type = (projection as? ConeKotlinTypeProjection)?.type ?: continue
            // E.g., Comparable<Test>
            val newType = substituteOrNull(type) ?: continue
            // Visit new type: e.g., Test, as a type argument, is substituted with Comparable<Test>, again.
            if (newType.hasRecursiveTypeArgument(visited)) return true
        }
        return false
    }

   * unchecked cast at some later point:
   *
   * <pre>
   * {@code @SuppressWarnings("unchecked") // safe because of ::isInstance check
   * ImmutableList<NewType> result =
   *     (ImmutableList) stream.filter(NewType.class::isInstance).collect(toImmutableList());}
   * </pre>
   */
  @GwtIncompatible // Class.isInstance
  public final <T> FluentIterable<T> filter(Class<T> type) {

   * unchecked cast at some later point:
   *
   * <pre>
   * {@code @SuppressWarnings("unchecked") // safe because of ::isInstance check
   * ImmutableList<NewType> result =
   *     (ImmutableList) stream.filter(NewType.class::isInstance).collect(toImmutableList());}
   * </pre>
   */
  @SuppressWarnings("unchecked")
  @GwtIncompatible // Class.isInstance

   * unchecked cast at some later point:
   *
   * <pre>
   * {@code @SuppressWarnings("unchecked") // safe because of ::isInstance check
   * ImmutableList<NewType> result =
   *     (ImmutableList) stream.filter(NewType.class::isInstance).collect(toImmutableList());}
   * </pre>
   */
  @SuppressWarnings("unchecked")
  @GwtIncompatible // Class.isInstance

   * unchecked cast at some later point:
   *
   * <pre>
   * {@code @SuppressWarnings("unchecked") // safe because of ::isInstance check
   * ImmutableList<NewType> result =
   *     (ImmutableList) stream.filter(NewType.class::isInstance).collect(toImmutableList());}
   * </pre>
   */
  @GwtIncompatible // Class.isInstance
  public final <T> FluentIterable<T> filter(Class<T> type) {