replacementTokens.put("releaseDate", dateTime);
            replacementTokens.put("version", moduleIdentity.getVersion().map(GradleVersion::getVersion));
            replacementTokens.put("baseVersion", moduleIdentity.getVersion().map(v -> v.getBaseVersion().getVersion()));

    assertEquals("", j.join(ImmutableMap.of()));
    assertEquals(":", j.join(ImmutableMap.of("", "")));

    Map<@Nullable String, @Nullable String> mapWithNulls = new LinkedHashMap<>();
    mapWithNulls.put("a", null);
    mapWithNulls.put(null, "b");

    assertThrows(NullPointerException.class, () -> j.join(mapWithNulls));

    assertEquals("a:00;00:b", j.useForNull("00").join(mapWithNulls));

    assertThat(map.containsValue(one)).isFalse();
    assertThat(map.putIfAbsent(two, three)).isNull();
    assertThat(map.remove(two)).isSameInstanceAs(three);
    assertThat(map.put(three, one)).isNull();
    assertThat(map.put(one, two)).isNull();

    assertThat(map).containsEntry(three, one);
    assertThat(map).containsEntry(one, two);

    // TODO(cgruber): Confirm with fry@ that this is a reasonable substitute.

        Map<String, Artifact> artifactMap = new LinkedHashMap<>();

        if (artifacts != null) {
            for (Artifact artifact : artifacts) {
                artifactMap.put(versionlessKey(artifact), artifact);
            }
        }

        return artifactMap;
    }

    public static Artifact copyArtifactSafe(Artifact artifact) {

        return plan.keySet().stream();
    }

    public void addProject(MavenProject project, Map<String, BuildStep> steps) {
        plan.put(project, steps);
    }

    public void addStep(MavenProject project, String name, BuildStep step) {
        plan.get(project).put(name, step);
    }

    public Stream<BuildStep> allSteps() {
        return plan.values().stream().flatMap(m -> m.values().stream());
    }

                throw pluginContainerException;
            }
            throw e;
        }
    }

    @Override
    public CacheRecord put(Key key, ClassRealm pluginRealm, List<Artifact> pluginArtifacts) {
        Objects.requireNonNull(pluginRealm, "pluginRealm cannot be null");
        Objects.requireNonNull(pluginArtifacts, "pluginArtifacts cannot be null");

from fastapi import FastAPI
from pydantic import BaseModel


class Item(BaseModel):
    name: str
    description: str | None = None
    price: float
    tax: float | None = None


app = FastAPI()


@app.put("/items/{item_id}")
async def update_item(item_id: int, item: Item, q: str | None = None):
    result = {"item_id": item_id, **item.model_dump()}
    if q:
        result.update({"q": q})

from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: str | None = None
    price: float
    tax: float | None = None


@app.put("/items/{item_id}")
async def update_item(item_id: int, item: Annotated[Item, Body(embed=True)]):
    results = {"item_id": item_id, "item": item}

from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: str | None = None
    price: float
    tax: float | None = None


@app.put("/items/{item_id}")
async def update_item(
    *,
    item_id: int,
    item: Annotated[
        Item,
        Body(
            openapi_examples={
                "normal": {

from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None


@app.put("/items/{item_id}")
async def update_item(
    *,
    item_id: int,
    item: Item = Body(
        openapi_examples={
            "normal": {
                "summary": "A normal example",