MediaType newType = MediaType.createApplicationType("yams");
    assertThat(newType.type()).isEqualTo("application");
    assertThat(newType.subtype()).isEqualTo("yams");
  }

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

    # definitions: dict[DefsRef, dict[str, Any]]
    # but mypy complains about general str in other places that are not declared as
    # DefsRef, although DefsRef is just str:
    # DefsRef = NewType('DefsRef', str)
    # So, a cast to simplify the types here
    return field_mapping, cast(dict[str, dict[str, Any]], definitions)


def is_scalar_field(field: ModelField) -> bool:
    from fastapi import params

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

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

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

    assertEquals(valueType, TypeToken.of(valueType).resolveType(valueType).getType());
  }

  private static final class GenericArray<T> {
    final Type t = new TypeToken<T>(getClass()) {}.getType();
    final Type array = new TypeToken<T[]>(getClass()) {}.getType();
  }

  public void testGenericArrayType() {
    GenericArray<?> genericArray = new GenericArray<>();

    assertEquals(valueType, TypeToken.of(valueType).resolveType(valueType).getType());
  }

  private static final class GenericArray<T> {
    final Type t = new TypeToken<T>(getClass()) {}.getType();
    final Type array = new TypeToken<T[]>(getClass()) {}.getType();
  }

  public void testGenericArrayType() {
    GenericArray<?> genericArray = new GenericArray<>();

  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 TypeToken.of(type).getSubtype(subclass).getType();
  }

    assertTrue(
        from.getType() + " is expected to be assignable to " + to.getType(),
        to.isSupertypeOf(from));
    assertTrue(
        to.getType() + " is expected to be a supertype of " + from.getType(),
        to.isSupertypeOf(from));
    assertTrue(
        from.getType() + " is expected to be a subtype of " + to.getType(), from.isSubtypeOf(to));
  }

      ParameterizedType type) {
    Class<?> rawType = (Class<?>) type.getRawType();
    TypeVariable<?>[] typeVars = rawType.getTypeParameters();
    Type[] typeArgs = type.getActualTypeArguments();
    for (int i = 0; i < typeArgs.length; i++) {
      typeArgs[i] = canonicalizeTypeArg(typeVars[i], typeArgs[i]);
    }
    return Types.newParameterizedTypeWithOwner(type.getOwnerType(), rawType, typeArgs);
  }