}

    static class CycleInImportsResolver extends BaseModelResolver {
        @Override
        public ModelSource resolveModel(Dependency dependency) throws UnresolvableModelException {
            return switch (dependency.getManagementKey()) {
                case BASE1_ID -> new StringModelSource(BASE1);
                case BASE2_ID -> new StringModelSource(BASE2);
                default -> null;

    }

    @Test
    void mergeSameDependencies() {
        Dependency dependency = Dependency.newBuilder()
                .groupId("groupId")
                .artifactId("artifactId")
                .type("type")
                .build();

        Model target =
                Model.newBuilder().dependencies(Arrays.asList(dependency)).build();

        Model source =

            for (Dependency dependency : project.getModel().getDelegate().getDependencies()) {
                addEdge(
                        projectMap,
                        vertexMap,
                        project,
                        projectVertex,
                        dependency.getGroupId(),
                        dependency.getArtifactId(),

  <artifactId>t06-b</artifactId>
  <packaging>jar</packaging>
  <version>1.0</version>
  <dependencies>
    <dependency>
      <groupId>maven-test</groupId>
      <artifactId>t06-c</artifactId>
      <version>1.0</version>
      <type>jar</type>
      <scope>compile</scope>
    </dependency>
    <dependency>
      <groupId>maven-test</groupId>
      <artifactId>t06-d</artifactId>
      <version>1.1</version>

///

## Dependencies errors and return values { #dependencies-errors-and-return-values }

You can use the same dependency *functions* you use normally.

### Dependency requirements { #dependency-requirements }

They can declare request requirements (like headers) or other sub-dependencies:

{* ../../docs_src/dependencies/tutorial006_an_py39.py hl[8,13] *}

  <dependencies>
    <dependency>
      <groupId>com.google.guava</groupId>
      <artifactId>failureaccess</artifactId>
      <version>${failureaccess.version}</version>
    </dependency>
    <dependency>
      <groupId>com.google.guava</groupId>
      <artifactId>listenablefuture</artifactId>
      <version>${listenablefuture.version}</version>
    </dependency>
    <dependency>
      <groupId>org.jspecify</groupId>

It is designed to be very simple to use, and to make it very easy for any developer to integrate other components with **FastAPI**.

## What is "Dependency Injection" { #what-is-dependency-injection }

    * Required scopes `["items"]` with the dependency:
    * `get_current_active_user`:
        *  The dependency function `get_current_active_user` has:
            * Required scopes `["me"]` with the dependency:
            * `get_current_user`:
                * The dependency function `get_current_user` has:
                    * No scopes required by itself.
                    * A dependency using `oauth2_scheme`.

        }

        private void visit(Dependency dependency) {
            if (dependency != null) {
                String org, val;
                // GroupId
                org = dependency.getGroupId();
                val = interpolate(org);
                if (org != val) {
                    dependency.setGroupId(val);
                    dependency.clearManagementKey();
                }

                """
                The OAuth2 spec says it is required and MUST be the fixed string
                "password". Nevertheless, this dependency class is permissive and
                allows not passing it. If you want to enforce it, use instead the
                `OAuth2PasswordRequestFormStrict` dependency.
                """
            ),
        ] = None,
        username: Annotated[
            str,
            Form(),