### Dependencies { #dependencies }

The same applies for [dependencies](tutorial/dependencies/index.md). If a dependency is a standard `def` function instead of `async def`, it is run in the external threadpool.

### Sub-dependencies { #sub-dependencies }

  <name>Guava Unit Tests</name>
  <description>
    The unit tests for the Guava libraries - separated into a
    separate artifact to allow for the testlibs to depend on guava
    itself.
  </description>
  <dependencies>
    <dependency>
      <groupId>${project.groupId}</groupId>
      <artifactId>guava-testlib</artifactId>
      <version>${project.version}</version>
      <scope>test</scope>
    </dependency>
    <dependency>

    <version>4.1.0-SNAPSHOT</version>
  </parent>

  <artifactId>maven-api-plugin</artifactId>

  <name>Maven 4 API :: Plugin</name>
  <description>Maven 4 API - Immutable Plugin model.</description>

  <dependencies>
    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-api-annotations</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.maven</groupId>

  </parent>

  <artifactId>maven-plugin-api</artifactId>

  <name>Maven 3 Plugin API</name>
  <description>The API for Maven 3 plugins - Mojos - development.</description>

  <dependencies>
    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-api-xml</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.maven</groupId>

    private final CoreExtension extension;

    public ExtensionResolutionException(CoreExtension extension, Throwable cause) {
        super(
                "Extension " + extension.getId() + " or one of its dependencies could not be resolved: "
                        + cause.getMessage(),
                cause);
        this.extension = extension;
    }

    /**
     * Constructor accepting the new API type for internal use.

     */
    @Nullable
    String getClassifier();

    /**
     * Specifies if the artifact already embeds its own dependencies.
     * This is the case for JEE packages or similar artifacts such as
     * WARs, EARs, etc.
     *
     * @return if the artifact's dependencies are included in the artifact
     */
    boolean isIncludesDependencies();

    /**

  <name>Guava Unit Tests</name>
  <description>
    The unit tests for the Guava libraries - separated into a
    separate artifact to allow for the testlibs to depend on guava
    itself.
  </description>
  <dependencies>
    <dependency>
      <groupId>${project.groupId}</groupId>
      <artifactId>guava-testlib</artifactId>
      <version>${project.version}</version>
      <scope>test</scope>
    </dependency>
    <dependency>

        "//conditions:default": [],
    }),
    tags = [
        "no_cuda_asan",  # TODO(b/181771536)
        "no_windows",  # TODO(b/155444728)
    ],
    # We must ensure that the dependencies can be dynamically linked since
    # the shared library must be able to use core:framework.
    deps = [
        ":c_api",
        ":c_api_internal",
        ":c_test_util",
        ":test_op_kernel",

    // This way we can catch discrepancies in modules easier. We should make all packages NullMarked eventually too, but this is a separate task.
    annotatedPackages.add("org.gradle")
}

dependencies {
    attributesSchema {
        attribute(NullawayAttributes.nullawayAttribute) {
            compatibilityRules.add(NullawayCompatibilityRule::class.java)
        }
    }
}

但归根结底，它们实现的都是同一个 OAuth2 标准。

///

**FastAPI** 在 `fastapi.security.oauth2` 中为所有这些 OAuth2 身份验证流提供了工具。

## 装饰器 `dependencies` 中的 `Security` { #security-in-decorator-dependencies }