}

        DefaultParser parser = new DefaultParser();
        parser.setRegexCommand("[:]{0,1}[a-zA-Z!]{1,}\\S*"); // change default regex to support shell commands

        String banner = """

                ░▒▓██████████████▓▒░ ░▒▓█▓▒░░▒▓█▓▒░░▒▓███████▓▒░  ░▒▓███████▓▒░░▒▓█▓▒░░▒▓█▓▒░\s
                ░▒▓█▓▒░░▒▓█▓▒░░▒▓█▓▒░░▒▓█▓▒░░▒▓█▓▒░░▒▓█▓▒░░▒▓█▓▒░░▒▓█▓▒░       ░▒▓█▓▒░░▒▓█▓▒░\s

* `apiKey`: специфічний для застосунку ключ, який може передаватися через:
    * Параметр запиту.
    * Заголовок.
    * Cookie.
* `http`: стандартні методи HTTP-автентифікації, включаючи:
    * `bearer`: заголовок `Authorization` зі значенням `Bearer` та токеном. Це успадковано з OAuth2.
    * HTTP Basic автентифікація
    * HTTP Digest, тощо.
* `oauth2`: усі способи обробки безпеки за допомогою OAuth2 (так звані «потоки»).

):
    if security_scopes.scopes:
        authenticate_value = f'Bearer scope="{security_scopes.scope_str}"'
    else:
        authenticate_value = "Bearer"
    credentials_exception = HTTPException(
        status_code=status.HTTP_401_UNAUTHORIZED,
        detail="Could not validate credentials",
        headers={"WWW-Authenticate": authenticate_value},
    )
    try:

):
    if security_scopes.scopes:
        authenticate_value = f'Bearer scope="{security_scopes.scope_str}"'
    else:
        authenticate_value = "Bearer"
    credentials_exception = HTTPException(
        status_code=status.HTTP_401_UNAUTHORIZED,
        detail="Could not validate credentials",
        headers={"WWW-Authenticate": authenticate_value},
    )
    try:

`**user_dict`에 대한 자세한 설명은 [**추가 모델** 문서](../extra-models.md#about-user_indict){.internal-link target=_blank}를 다시 읽어봅시다.

///

## 토큰 반환하기

`token` 엔드포인트의 응답은 JSON 객체여야 합니다.

`token_type`이 있어야 합니다. 여기서는 "Bearer" 토큰을 사용하므로 토큰 유형은 "`bearer`"여야 합니다.

그리고 액세스 토큰을 포함하는 문자열과 함께 `access_token`이 있어야 합니다.

이 간단한 예제에서는 완전히 안전하지 않고, 동일한 `username`을 토큰으로 반환합니다.

/// tip | 팁

Specifically, to see Uvicorn, Starlette and FastAPI compared together (among many other tools).

The simpler the problem solved by the tool, the better performance it will get. And most of the benchmarks don't test the additional features provided by the tool.

The hierarchy is like:

* **Uvicorn**: an ASGI server
    * **Starlette**: (uses Uvicorn) a web microframework

import org.jspecify.annotations.NullUnmarked;

/**
 * Utility class for being able to seed a {@link Random} value with a passed in seed from a
 * benchmark parameter.
 *
 * <p>TODO: Remove this class once Caliper has a better way.
 *
 * @author Nicholaus Shupe
 */
@NullUnmarked
public final class SpecialRandom extends Random {
  public static SpecialRandom valueOf(String s) {

Bei einer **Web-API** bedeutet das normalerweise, diese auf einem **entfernten Rechner** zu platzieren, mit einem **Serverprogramm**, welches gute Leistung, Stabilität, usw. bietet, damit Ihre **Benutzer** auf die Anwendung effizient und ohne Unterbrechungen oder Probleme **zugreifen** können.

    // unless it's actually going to be used; validate() is called for all set method calls, so it
    // needs to be fast.
    // (We could instead generate the message once, when the set is created, but zero is better.)
    if (!validator.get()) {
      throw new IllegalStateException(errorMessage.get());
    }
  }

# Reference

Here's the reference or code API, the classes, functions, parameters, attributes, and
all the FastAPI parts you can use in your applications.

If you want to **learn FastAPI** you are much better off reading the