synchronized(failures) {
        failures.add(e)
      }
    }
  }

  @Throws(UnknownHostException::class)
  private fun throwBestFailure(
    hostname: String,
    failures: List<Exception>,
  ): List<InetAddress> {
    if (failures.isEmpty()) {
      throw UnknownHostException(hostname)
    }

    val failure = failures[0]

    if (failure is UnknownHostException) {
      throw failure

from typing import List, Union

from fastapi import FastAPI, Header
from pydantic import BaseModel
from typing_extensions import Annotated

app = FastAPI()


class CommonHeaders(BaseModel):
    class Config:
        extra = "forbid"

    host: str
    save_data: bool
    if_modified_since: Union[str, None] = None
    traceparent: Union[str, None] = None
    x_tag: List[str] = []


@app.get("/items/")

from typing import List

from fastapi import FastAPI, Query
from pydantic import BaseModel, Field
from typing_extensions import Literal

app = FastAPI()


class FilterParams(BaseModel):
    limit: int = Field(100, gt=0, le=100)
    offset: int = Field(0, ge=0)
    order_by: Literal["created_at", "updated_at"] = "created_at"
    tags: List[str] = []


@app.get("/items/")
async def read_items(filter_query: FilterParams = Query()):

class Item(BaseModel):
    name: str
    description: str | None = None
    price: float
    tax: float | None = None
    tags: list[str] = []


@app.post("/items/")
async def create_item(item: Item) -> Item:
    return item


@app.get("/items/")
async def read_items() -> list[Item]:
    return [
        Item(name="Portal Gun", price=42.0),
        Item(name="Plumbus", price=32.0),

from typing import List, Union

from fastapi import FastAPI
from pydantic import BaseModel


class Item(BaseModel):
    name: str
    description: Union[str, None] = None


app = FastAPI()


@app.post("/items/")
def create_item(item: Item):
    return item


@app.get("/items/")
def read_items() -> List[Item]:
    return [
        Item(
            name="Portal Gun",

    return [3, 4, 5]


@app.get("/user")
def read_user(
    user_data: Tuple[str, List[str]] = Security(get_user, scopes=["foo", "bar"]),
    data: List[int] = Depends(get_data),
):
    return {"user": user_data[0], "scopes": user_data[1], "data": data}


client = TestClient(app)


def test_normal():
    response = client.get("/user")
    assert response.json() == {
        "user": "john",

 * If the type is {@link org.apache.maven.api.Node Node} or
 * {@code List<}{@link org.apache.maven.api.Node Node}{@code >},
 * and {@code pathScope != ""}, the dependencies will be <i>flattened</i>.
 * Else the dependencies will be <i>resolved</i> and {@code pathScope} must be non empty,
 * and the field type can be {@link org.apache.maven.api.Node Node},
 * {@code List<}{@link org.apache.maven.api.Node Node}{@code >},

    assertTrue(list.contains("the"));
    assertEquals(2, list.indexOf("the"));
    assertEquals(2, list.lastIndexOf("the"));
    assertFalse(list.contains("dog"));
    assertEquals(-1, list.indexOf("dog"));
    assertEquals(-1, list.lastIndexOf("dog"));
    assertFalse(list.contains("chicken"));
    assertEquals(-1, list.indexOf("chicken"));
    assertEquals(-1, list.lastIndexOf("chicken"));
  }

   * the returned list is unspecified.
   *
   * <p>The returned list is serializable.
   *
   * @param backingArray the array to back the list
   * @return a list view of the array
   */
  public static List<Character> asList(char... backingArray) {
    if (backingArray.length == 0) {
      return Collections.emptyList();
    }

   * the returned list is unspecified.
   *
   * <p>The returned list is serializable.
   *
   * @param backingArray the array to back the list
   * @return a list view of the array
   */
  public static List<Short> asList(short... backingArray) {
    if (backingArray.length == 0) {
      return Collections.emptyList();
    }