override fun settings(
      clearPrevious: Boolean,
      settings: Settings,
    ) {
      check(type == -1)
      this.type = Http2.TYPE_SETTINGS
      this.clearPrevious = clearPrevious
      this.settings = settings
    }

    override fun ackSettings() {
      check(type == -1)
      this.type = Http2.TYPE_SETTINGS
      this.ack = true
    }

    override fun headers(

    newRoutePlanner: Boolean,
    chain: RealInterceptorChain,
  ) {
    check(interceptorScopedExchange == null)

    this.withLock {
      check(!responseBodyOpen) {
        "cannot make a new request because the previous response is still open: " +
          "please call response.close()"
      }
      check(!requestBodyOpen)
    }

    if (newRoutePlanner) {
      val routePlanner =

It is the recommended server for Starlette and **FastAPI**.

!!! check "**FastAPI** recommends it as"
    The main web server to run **FastAPI** applications.

    You can combine it with Gunicorn, to have an asynchronous multi-process server.

    Check more details in the [Deployment](deployment/index.md){.internal-link target=_blank} section.

## Benchmarks and speed

  private val outputFile = resources / PUBLIC_SUFFIX_RESOURCE

  val request = Request("https://publicsuffix.org/list/public_suffix_list.dat".toHttpUrl())

  suspend fun import() {
    check(fileSystem.metadata(resources).isDirectory)
    check(fileSystem.metadata(testResources).isDirectory)

    updateLocalFile()

    val importResults = readImportResults()

    writeOutputFile(importResults)
  }

Check the in-code annotation tips above to see more specific details.

## Learn More

You can also combine `dataclasses` with other Pydantic models, inherit from them, include them in your own models, etc.

        check(type is KtFirType) { "KtFirScopeProvider can only work with KtFirType, but ${type::class} was provided" }
        return getFirTypeScope(type)
            ?.withSyntheticPropertiesScopeOrSelf(type.coneType)
            ?.let { convertToKtTypeScope(it) }
    }

    override fun getSyntheticJavaPropertiesScope(type: KtType): KtTypeScope? {

### Check the docs UI

But here's the fun part. ✨

The "official" way to access the app would be through the proxy with the path prefix that we defined. So, as we would expect, if you try the docs UI served by Uvicorn directly, without the path prefix in the URL, it won't work, because it expects to be accessed through the proxy.

    platform.expectFailureFromJdkVersion(PlatformVersion.majorVersion + 1)
  }

  @Test
  fun failureCase() {
    platform.expectFailureFromJdkVersion(PlatformVersion.majorVersion)

    check(false)
  }

```Python hl_lines="7"
{!../../../docs_src/path_params/tutorial002.py!}
```

Ici, `item_id` est déclaré comme `int`.

!!! check "vérifier"
    Ceci vous permettra d'obtenir des fonctionnalités de l'éditeur dans votre fonction, telles
    que des vérifications d'erreur, de l'auto-complétion, etc.

                    // Implicit lambda parameter doesn't have a source PSI.
                    descriptor.source.getPsi() == null &&
                    // But, that could be the case for a declaration from Library. Double-check the slice in the binding context
                    (descriptor.containingDeclaration.source.getPsi() as? KtFunctionLiteral)?.let { parentLambda ->