* Semantic Versioning: Semantic Versioning (do not translate to "Versionado Semántico")
* dependable: dependable (do not translate to "confiable" or "fiable")
* list (as in Python list): list
* context manager: context manager (do not translate to "gestor de contexto" or "administrador de contexto")
* a little bit: un poquito

* **X-Forwarded-For**: Die ursprüngliche IP-Adresse des Clients
* **X-Forwarded-Proto**: Das ursprüngliche Protokoll (`https`)
* **X-Forwarded-Host**: Der ursprüngliche Host (`mysuperapp.com`)

Wenn **FastAPI CLI** mit `--forwarded-allow-ips` konfiguriert ist, vertraut es diesen Headern und verwendet sie, z. B. um die korrekten URLs in Weiterleitungen zu erzeugen.

from pydantic import BaseModel

app = FastAPI()


class CommonHeaders(BaseModel):
    model_config = {"extra": "forbid"}

    host: str
    save_data: bool
    if_modified_since: str | None = None
    traceparent: str | None = None
    x_tag: list[str] = []


@app.get("/items/")
async def read_items(headers: Annotated[CommonHeaders, Header()]):

from pydantic import BaseModel

app = FastAPI()


class CommonHeaders(BaseModel):
    model_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/")
async def read_items(headers: CommonHeaders = Header()):

   */
  public val handshakeServerNames: List<String>,
  /** A string like `GET` or `POST`. */
  public val method: String,
  /**
   * The request target from the original HTTP request.
   *
   * For origin-form requests this is a path like `/index.html`, that is combined with the `Host`
   * header to create the request URL.
   *

from pydantic import BaseModel

app = FastAPI()


class CommonHeaders(BaseModel):
    model_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/")
async def read_items(headers: Annotated[CommonHeaders, Header()]):

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.artifact.resolver;

import java.util.Arrays;
import java.util.List;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;

/**
 * Test the artifact resolution exception message
 *
 */
class ArtifactResolutionExceptionTest {

	if err != nil {
		return err
	}
	found := false
	list := *el
	for i := range list {
		if list[i].nodeName == u.Host {
			list[i].disks = append(list[i].disks, u.String())
			found = true
			break
		}
	}
	if !found {
		list = append(list, node{nodeName: u.Host, disks: []string{u.String()}})
	}
	*el = list
	return nil
}

type poolArgs struct {
	args          []string

## `TrustedHostMiddleware` { #trustedhostmiddleware }

Enforces that all incoming requests have a correctly set `Host` header, in order to guard against HTTP Host Header attacks.

{* ../../docs_src/advanced_middleware/tutorial002_py39.py hl[2,6:8] *}

The following arguments are supported:

        add(buildCryptoSx(client)) // 521 - server down
      }
      add(buildChantra(client))
    }

  private fun getByIp(host: String): InetAddress =
    try {
      InetAddress.getByName(host)
    } catch (e: UnknownHostException) {
      // unlikely
      throw RuntimeException(e)
    }