from typing import Annotated, Literal

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

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: Annotated[FilterParams, Query()]):

    private static final Logger LOGGER = LoggerFactory.getLogger(SimplexTransferListener.class);
    private static final int QUEUE_SIZE = 1024;
    private static final int BATCH_MAX_SIZE = 500;
    private final TransferListener delegate;
    private final int batchMaxSize;
    private final boolean blockOnLastEvent;
    private final ArrayBlockingQueue<Exchange> eventQueue;

    /**

public class UserInfoHelper {
    protected static final String USER_BEAN = "lastaflute.action.USER_BEAN.FessUserBean";

    protected int resultDocIdsCacheSize = 20;

    protected String cookieName = "fsid";

    protected String cookieDomain;

    protected int cookieMaxAge = 30 * 24 * 60 * 60;// 1 month

    protected String cookiePath = "/";

    protected Boolean cookieSecure;

    /**
     * 
     */
    public static final int SMB2_LOCKFLAG_SHARED_LOCK = 0x1;

    /**
     * 
     */
    public static final int SMB2_LOCKFLAG_EXCLUSIVE_LOCK = 0x2;

    /**
     * 
     */
    public static final int SMB2_LOCKFLAG_UNLOCK = 0x4;

    /**
     * 
     */
    public static final int SMB2_LOCKFLAG_FAIL_IMMEDIATELY = 0x10;

    private long offset;

   */
  @CanIgnoreReturnValue
  @Override
  public int add(@ParametricNullness E element, int occurrences) {
    if (occurrences == 0) {
      return count(element);
    }
    checkArgument(occurrences > 0, "occurrences cannot be negative: %s", occurrences);
    Count frequency = backingMap.get(element);
    int oldCount;
    if (frequency == null) {
      oldCount = 0;

    public void close() throws IOException {
        pipe.close();
    }
    public void write( int b ) throws IOException {
        tmp[0] = (byte)b;
        write( tmp, 0, 1 );
    }
    public void write( byte[] b ) throws IOException {
        write( b, 0, b.length );
    }
    public void write( byte[] b, int off, int len ) throws IOException {
        if( len < 0 ) {
            len = 0;
        }

        return i > 0;
      }

      @Override
      public int nextIndex() {
        return i;
      }

      @Override
      public String previous() {
        if (!hasPrevious()) {
          throw new NoSuchElementException();
        }
        return array[--i];
      }

      @Override
      public int previousIndex() {
        return i - 1;
      }
    };
  }

  fun clear(hostname: String): FakeDns {
    hostAddresses.remove(hostname)
    return this
  }

  @Throws(UnknownHostException::class)
  fun lookup(
    hostname: String,
    index: Int,
  ): InetAddress {
    return hostAddresses[hostname]!![index]
  }

  @Throws(UnknownHostException::class)
  override fun lookup(hostname: String): List<InetAddress> {
    requestedHosts.add(hostname)

from typing import Annotated

from fastapi import Depends, FastAPI

app = FastAPI()


async def common_parameters(q: str | None = None, skip: int = 0, limit: int = 100):
    return {"q": q, "skip": skip, "limit": limit}


CommonsDep = Annotated[dict, Depends(common_parameters)]


@app.get("/items/")
async def read_items(commons: CommonsDep):
    return commons


@app.get("/users/")

from datetime import datetime
from typing import Union

from pydantic import BaseModel


class User(BaseModel):
    id: int
    name: str = "John Doe"
    signup_ts: Union[datetime, None] = None
    friends: list[int] = []


external_data = {
    "id": "123",
    "signup_ts": "2017-06-01 12:22",
    "friends": [1, "2", b"3"],
}
user = User(**external_data)
print(user)