O **FastAPI** garantirá que o "código de saída" em cada dependência com `yield` é executado na ordem correta.

Por exemplo, `dependency_c` pode depender de `dependency_b`, e `dependency_b` depender de `dependency_a`:

//// tab | python 3.9+

```python hl_lines="6  14  22"
{!> ../../docs_src/dependencies/tutorial008_an_py39.py!}
```

////

//// tab | python 3.8+

 * The resolution will actually download the dependencies (or artifacts) that have been computed.
 *
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface Dependency extends Artifact {
    /**
     * {@return the type of the dependency}
     * A dependency can be a <abbr>JAR</abbr> file,
     * a modular-<abbr>JAR</abbr> if it is intended to be placed on the module-path,
     * a <abbr>JAR</abbr> containing test classes, <i>etc.</i>

    private Project project;

    /**
     * <p>setUp.</p>
     */
    @BeforeEach
    void setUp() {
        Dependency dependency1 = new Dependency();
        dependency1.setArtifactId("dep1");
        Dependency dependency2 = new Dependency();
        dependency2.setArtifactId("dep2");

        project = new Project();
        project.setModelVersion("4.0.0");
        project.setGroupId("org.apache.maven");

  <modelVersion>4.0.0</modelVersion>

  <groupId>ut.simple</groupId>
  <artifactId>dependency</artifactId>
  <version>1.0</version>

  <name>Simple Unit Test Dependency</name>

                + " -Dversion=aVersion -Dclassifier=aClassifier -Dpackaging=jar -Dfile=/path/to/file"
                + " -Durl=[url] -DrepositoryId=[id]" + LS + LS + "  Path to dependency: " + LS + "  \t1) dependency1"
                + LS + "  \t2) dependency2" + LS + LS;
        String actual = AbstractArtifactResolutionException.constructMissingArtifactMessage(

        <version>1.0</version>
        <dependencies>
          <dependency>
            <groupId>test</groupId>
            <artifactId>a</artifactId>
            <version>0.1</version>
          </dependency>
          <dependency>
            <groupId>test</groupId>
            <artifactId>b</artifactId>
            <version>${missing.property}</version>
          </dependency>
        </dependencies>
      </plugin>
    </plugins>

~~ KIND, either express or implied.  See the License for the
~~ specific language governing permissions and limitations
~~ under the License.

 ---
 Default Dependency Types
 ---
 Hervé Boutemy
 ---
 2024-04-02
 ---

Default Dependency Types Reference

  Defined in <<<DefaultTypeProvider>>>
  ({{{./apidocs/org/apache/maven/repository/internal/type/DefaultTypeProvider.html}javadoc}},

        <dependencies>
          <dependency>
            <groupId>test</groupId>
            <artifactId>a</artifactId>
            <version>0.2</version>
          </dependency>
          <dependency>
            <groupId>test</groupId>
            <artifactId>b</artifactId>
            <version>0.2</version>
            <scope>compile</scope>
          </dependency>
          <dependency>

      <scope>runtime</scope>
    </dependency>
    <dependency>
      <groupId>test</groupId>
      <artifactId>d</artifactId>
      <version>0.2</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>test</groupId>
      <artifactId>e</artifactId>
      <version>0.2</version>
      <scope>provided</scope>
    </dependency>
    <dependency>
      <groupId>test</groupId>

  <groupId>gid</groupId>
  <version>0.1</version>

  <dependencies>
    <dependency>
      <groupId>test</groupId>
      <artifactId>a</artifactId>
      <version>0.2</version>
    </dependency>
    <dependency>
      <groupId>test</groupId>
      <artifactId>b</artifactId>
      <version>${missing.property}</version>
    </dependency>
    <dependency>
      <groupId>test</groupId>
      <artifactId>c</artifactId>