from typing import Annotated, Union

from fastapi import FastAPI, Header

app = FastAPI()


@app.get("/items/")
async def read_items(user_agent: Annotated[Union[str, None], Header()] = None):

from typing import Union

from fastapi import FastAPI, Header

app = FastAPI()


@app.get("/items/")
async def read_items(
    strange_header: Union[str, None] = Header(default=None, convert_underscores=False),
):

from typing import Annotated

from fastapi import FastAPI, Header

app = FastAPI()


@app.get("/items/")
async def read_items(x_token: Annotated[list[str] | None, Header()] = None):

from fastapi.testclient import TestClient

from docs_src.custom_response.tutorial007_py39 import app

client = TestClient(app)


def test_get():
    fake_content = b"some fake video bytes"
    response = client.get("/")

from typing import Union

from fastapi import FastAPI, Query

app = FastAPI()


@app.get("/items/")
async def read_items(q: Union[list[str], None] = Query(default=None)):
    query_items = {"q": q}

app = FastAPI()


class InternalError(Exception):
    pass


def get_username():
    try:
        yield "Rick"
    except InternalError:
        print("Oops, we didn't raise again, Britney 😱")


@app.get("/items/{item_id}")
def get_item(item_id: str, username: str = Depends(get_username)):
    if item_id == "portal-gun":
        raise InternalError(
            f"The portal gun is too dangerous to be owned by {username}"

     */
    public OptionalEntity<CharMappingItem> getCharMappingItem(final String dictId, final long id) {
        return getCharMappingFile(dictId).map(file -> file.get(id).get());
    }

    /**
     * Stores a character mapping item in the specified dictionary.
     * <p>
     * This method performs either an insert operation (for new items with ID 0)

        if (leaseKey != null) {
            dirManager.updateDirectoryCache(directoryPath, Arrays.asList(files));
        }

        return files;
    }

    /**
     * Get directory lease manager from tree handle
     */
    private static DirectoryLeaseManager getDirectoryLeaseManager(SmbTreeHandleImpl th) {
        try {

    }
    expectUnchanged();
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_KEYS})
  public void testPutAll_nullKeySupported() {
    putAll(containsNullKey);
    expectAdded(containsNullKey.get(0));
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_KEYS)
  public void testPutAll_nullKeyUnsupported() {
    assertThrows(NullPointerException.class, () -> putAll(containsNullKey));

    for (Entry<K, V> entry : entries) {
      resetContainer();

      K key = entry.getKey();
      V value = entry.getValue();
      Collection<V> collection = multimap().get(key);
      assertNotNull(collection);
      Collection<V> expectedCollection = copyToList(collection);

      multimap().remove(key, value);
      expectedCollection.remove(value);