for item in items:
        if isinstance(item, str):
            resolve_file(item=item, files=files, config=config)
        elif isinstance(item, dict):
            assert len(item) == 1
            values = list(item.values())
            if not values:
                continue
            if isinstance(values[0], str):
                resolve_file(item=values[0], files=files, config=config)

        if (
            key in main_dict
            and isinstance(main_dict[key], dict)
            and isinstance(value, dict)
        ):
            deep_dict_update(main_dict[key], value)
        elif (
            key in main_dict
            and isinstance(main_dict[key], list)
            and isinstance(update_dict[key], list)
        ):

    from pydantic import field_serializer

    app = FastAPI()

    @app.get("/fast_uuid")
    def return_fast_uuid():
        asyncpg_uuid = MyUuid("a10ff360-3b1e-4984-a26f-d3ab460bdb51")
        assert isinstance(asyncpg_uuid, uuid.UUID)
        assert type(asyncpg_uuid) is not uuid.UUID
        with pytest.raises(TypeError):
            vars(asyncpg_uuid)
        return {"fast_uuid": asyncpg_uuid}

    @classmethod
    def validate(cls: Type["UploadFile"], v: Any) -> Any:
        if not isinstance(v, StarletteUploadFile):
            raise ValueError(f"Expected UploadFile, received: {type(v)}")
        return v

    @classmethod
    def _validate(cls, __input_value: Any, _: Any) -> "UploadFile":
        if not isinstance(__input_value, StarletteUploadFile):

    """
    Simplify operation IDs so that generated API clients have simpler function
    names.

    Should be called only after all routes have been added.
    """
    for route in app.routes:
        if isinstance(route, APIRoute):
            route.operation_id = route.name  # in this case, 'read_items'

from pydantic import BaseModel
from pydantic.utils import GetterDict


class PeeweeGetterDict(GetterDict):
    def get(self, key: Any, default: Any = None):
        res = getattr(self._obj, key, default)
        if isinstance(res, peewee.ModelSelect):
            return list(res)
        return res


class ItemBase(BaseModel):
    title: str
    description: Union[str, None] = None


class ItemCreate(ItemBase):
    pass

@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
final class Platform {
  static boolean isInstanceOfThrowableClass(
      @CheckForNull Throwable t, Class<? extends Throwable> expectedClass) {
    return expectedClass.isInstance(t);
  }

  static void restoreInterruptIfIsInterruptedException(Throwable t) {
    checkNotNull(t); // to satisfy NullPointerTester
    if (t instanceof InterruptedException) {
      currentThread().interrupt();

@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
final class Platform {
  static boolean isInstanceOfThrowableClass(
      @CheckForNull Throwable t, Class<? extends Throwable> expectedClass) {
    return expectedClass.isInstance(t);
  }

  static void restoreInterruptIfIsInterruptedException(Throwable t) {
    checkNotNull(t); // to satisfy NullPointerTester
    if (t instanceof InterruptedException) {
      currentThread().interrupt();

    sslSocketClass.getMethod("setAlpnProtocols", ByteArray::class.java)

  override fun isSupported(): Boolean = AndroidPlatform.isSupported

  override fun matchesSocket(sslSocket: SSLSocket): Boolean = sslSocketClass.isInstance(sslSocket)

  override fun configureTlsExtensions(
    sslSocket: SSLSocket,
    hostname: String?,
    protocols: List<Protocol>,
  ) {
    // No TLS extensions if the socket class is custom.

  private val paramClass: Class<*>,
) : AndroidSocketAdapter(sslSocketClass) {
  override fun matchesSocketFactory(sslSocketFactory: SSLSocketFactory): Boolean = sslSocketFactoryClass.isInstance(sslSocketFactory)

  override fun trustManager(sslSocketFactory: SSLSocketFactory): X509TrustManager? {
    val context: Any? =
      readFieldOrNull(
        sslSocketFactory,
        paramClass,