message ClusterRoleBindingList {
  // Standard object's metadata.
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;

  // Items is a list of ClusterRoleBindings
  repeated ClusterRoleBinding items = 2;
}

// ClusterRoleList is a collection of ClusterRoles.
// Deprecated in v1.17 in favor of rbac.authorization.k8s.io/v1 ClusterRoles, and will no longer be served in v1.22.

尽可能选择使用 `Annotated` 的版本。

///

```Python hl_lines="3"
{!> ../../docs_src/path_params_numeric_validations/tutorial001.py!}
```

////

## 声明元数据

你可以声明与 `Query` 相同的所有参数。

例如，要声明路径参数 `item_id`的 `title` 元数据值，你可以输入：

//// tab | Python 3.10+

```Python hl_lines="10"
{!> ../../docs_src/path_params_numeric_validations/tutorial001_an_py310.py!}
```

////

//// tab | Python 3.9+

        int had = 0;
        ArrayList<String> items = new ArrayList<>();
        for (O option : options) {
            Optional<List<String>> o = getter.apply(option);
            if (o.isPresent()) {
                had++;
                items.addAll(o.get());
            }
        }
        return had == 0 ? Optional.empty() : Optional.of(List.copyOf(items));
    }

    private
    fun BaseGradleBuildType.getGradleTasks(): String {
        val runnerStep = this.steps.items.find { it.name == "GRADLE_RUNNER" } as GradleBuildStep
        return runnerStep.tasks!!
    }

    private
    fun BaseGradleBuildType.getGradleParams(): String {
        val runnerStep = this.steps.items.find { it.name == "GRADLE_RUNNER" } as GradleBuildStep
        return runnerStep.gradleParams!!
    }

    @Test

        "paths": {
            "/items/": {
                "get": {
                    "responses": {
                        "200": {
                            "description": "Successful Response",
                            "content": {"text/html": {"schema": {"type": "string"}}},
                        }
                    },
                    "summary": "Read Items",

from fastapi import FastAPI

app = FastAPI()


@app.get("/")
def read_root():
    return {"Hello": "World"}


@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
    return {"item_id": item_id, "q": q}
```

### Dockerfile

现在在相同的project目录创建一个名为`Dockerfile`的文件:

```{ .dockerfile .annotate }
# (1)
FROM python:3.9

# (2)

def test_read_items():
    access_token = get_access_token(scope="me items")
    response = client.get(
        "/users/me/items/", headers={"Authorization": f"Bearer {access_token}"}
    )
    assert response.status_code == 200, response.text
    assert response.json() == [{"item_id": "Foo", "owner": "johndoe"}]


def test_read_system_status():
    access_token = get_access_token()

  TF_ShapeAndType& shape_and_type = shape_list->items[index];
  shape_and_type.dtype = dtype;
}

void TF_DeleteShapeAndTypeList(TF_ShapeAndTypeList* shape_list) {
  if (shape_list == nullptr) return;
  for (size_t i = 0; i < shape_list->num_items; ++i) {
    delete[] shape_list->items[i].dims;
  }
  delete[] shape_list->items;
  delete shape_list;
}

                    "properties": {
                        "files": {
                            "title": "Files",
                            "type": "array",
                            "items": {"type": "string", "format": "binary"},
                        }
                    },
                },
                "Body_create_files_files__post": {

                    "properties": {
                        "loc": {
                            "title": "Location",
                            "type": "array",
                            "items": {
                                "anyOf": [{"type": "string"}, {"type": "integer"}]
                            },
                        },
                        "msg": {"title": "Message", "type": "string"},