def query_or_cookie_extractor(
    q: Annotated[str, Depends(query_extractor)],
    last_query: Annotated[str | None, Cookie()] = None,
):
    if not q:
        return last_query
    return q


@app.get("/items/")
async def read_query(
    query_or_default: Annotated[str, Depends(query_or_cookie_extractor)],
):

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()]):

from fastapi import FastAPI, Query

app = FastAPI()


@app.get("/items/")
async def read_items(
    q: str | None = Query(
        default=None,
        title="Query string",
        description="Query string for the items to search in the database that have a good match",
        min_length=3,
    ),
):
    results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}
    if q:
        results.update({"q": q})

) : ExchangeCodec {
  private var state = STATE_IDLE
  private val headersReader = HeadersReader(source)

  private val Response.isChunked: Boolean
    get() = "chunked".equals(header("Transfer-Encoding"), ignoreCase = true)

  private val Request.isChunked: Boolean
    get() = "chunked".equals(header("Transfer-Encoding"), ignoreCase = true)

  /**

### Try Out the Client Code

Now you can import and use the client code, it could look like this, notice that you get autocompletion for the methods:

<img src="/img/tutorial/generate-clients/image02.png">

You will also get autocompletion for the payload to send:

<img src="/img/tutorial/generate-clients/image03.png">

/// tip

func (rs *resetState) run(_ io.Writer) error {
	const (
		defaultOutputLevel     = "info"
		defaultStackTraceLevel = "none"
	)
	allScopes, err := rs.client.GetScopes()
	if err != nil {
		return fmt.Errorf("could not get all scopes: %v", err)
	}
	var defaultScopes []*ScopeInfo
	for _, scope := range allScopes {
		defaultScopes = append(defaultScopes, &ScopeInfo{
			Name:            scope.Name,
			OutputLevel:     defaultOutputLevel,

        for (int idx = 0; idx < synonyms.size(); idx++) {
            final MyToken synonym = synonyms.get(idx);
            tokenizePartialBlock(nextStart, synonym.startOffset, afterSynonymProduced);

            // enqueue prev-synonym
            processPrevSynonym(synonym.startOffset, idx > 0 ? synonyms.get(idx - 1).endOffset : 0);

            if (expand) {
                queue.add(synonym);
            }

      assertTrue(Thread.holdsLock(mutex));
      return delegate.containsRow(rowKey);
    }

    @Override
    public @Nullable V get(Object rowKey, Object columnKey) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.get(rowKey, columnKey);
    }

    @Override
    public @Nullable V put(R rowKey, C columnKey, V value) {
      assertTrue(Thread.holdsLock(mutex));

            this.endpoint = val.toString();
            String lep = this.endpoint.toLowerCase(Locale.ENGLISH);
            if ( lep.startsWith("\\pipe\\") ) {
                String iface = INTERFACES.get(lep.substring(6));
                if ( iface != null ) {
                    int c, p;
                    c = iface.indexOf(':');
                    p = iface.indexOf('.', c + 1);

    }

    public BuildFailure getBuildFailure(MavenProject project) {
        return buildFailuresByProject.get(getProjectKey(project));
    }

    public BuildSuccess getBuildSuccess(MavenProject project) {
        return buildSuccessesByProject.get(getProjectKey(project));
    }

    public boolean executedMultipleProjects() {