assertEquals(2, ms.count(Color.RED));
  }

  public void testCollectionCreate() {
    Multiset<Color> ms = EnumMultiset.create(asList(Color.RED, Color.YELLOW, Color.RED));
    assertEquals(0, ms.count(Color.BLUE));
    assertEquals(1, ms.count(Color.YELLOW));
    assertEquals(2, ms.count(Color.RED));
  }

  public void testIllegalCreate() {
    Collection<Color> empty = EnumSet.noneOf(Color.class);

detailed output with `-v` option:
```bash
cat input.json | jstream -v -d -1

depth	start	end	type   | value
2	018	023	string | "RGB"
3	041	046	string | "red"
3	048	055	string | "green"
3	057	063	string | "blue"
2	039	065	array  | ["red","green","blue"]
1	004	069	object | {"colors":["red","green","blue"],"desc":"RGB"}
2	087	093	string | "CMYK"
3	111	117	string | "cyan"
3	119	128	string | "magenta"
3	130	138	string | "yellow"

For `Item-Input`, `description` is **not required**, it doesn't have a red asterisk.

But for `Item-Output`, `description` is **required**, it has a red asterisk.

<div class="screenshot">
<img src="/img/tutorial/separate-openapi-schemas/image04.png">
</div>

from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: str


items = [
    {"name": "Foo", "description": "There comes my hero"},
    {"name": "Red", "description": "It's my aeroplane"},
]


@app.get("/items/", response_model=list[Item])
async def read_items():

    assert response.status_code == 200, response.text
    assert response.json() == {"name": "Wrestlers", "size": None}


@needs_py39
def test_create(client: TestClient):
    response = client.put("/items/red", json={"name": "Chillies"})
    assert response.status_code == 201, response.text

from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: str


items = [
    {"name": "Foo", "description": "There comes my hero"},
    {"name": "Red", "description": "It's my aeroplane"},
]


@app.get("/items/", response_model=List[Item])
async def read_items():

    assert response.status_code == 200, response.text
    assert response.json() == {"name": "Wrestlers", "size": None}


@needs_py310
def test_create(client: TestClient):
    response = client.put("/items/red", json={"name": "Chillies"})
    assert response.status_code == 201, response.text

    response = client.get("/items/")
    assert response.status_code == 200, response.text
    assert response.json() == [
        {"name": "Foo", "description": "There comes my hero"},
        {"name": "Red", "description": "It's my aeroplane"},
    ]


@needs_py39
def test_openapi_schema(client: TestClient):
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text

    assert response.status_code == 200, response.text
    assert response.json() == {"name": "Wrestlers", "size": None}


def test_create():
    response = client.put("/items/red", json={"name": "Chillies"})
    assert response.status_code == 201, response.text

    assert response.status_code == 200, response.text
    assert response.json() == {"name": "Wrestlers", "size": None}


def test_create():
    response = client.put("/items/red", json={"name": "Chillies"})
    assert response.status_code == 201, response.text