ProblemCollector problems = ProblemCollectorFactory.newInstance(null);

        PersistedToolchains globalToolchains = readToolchains(request.getGlobalToolchainsSource(), request, problems);

        PersistedToolchains userToolchains = readToolchains(request.getUserToolchainsSource(), request, problems);

@invoices_callback_router.post(
    "{$callback_url}/invoices/{$request.body.id}", response_model=InvoiceEventReceived
)
def invoice_notification(body: InvoiceEvent):
    pass  # pragma: nocover


class Event(BaseModel):
    name: str
    total: float


events_callback_router = APIRouter()


@events_callback_router.get("{$callback_url}/events/{$request.body.title}")
def event_callback(event: Event):

        initRepoSession(configuration);

        return projectBuilder.build(pom, configuration).getProject();
    }

    protected void initRepoSession(ProjectBuildingRequest request) throws Exception {
        File localRepo = new File(request.getLocalRepository().getBasedir());
        DefaultRepositorySystemSession session = MavenRepositorySystemUtils.newSession();

			statusCode:   200,
			body:         "full-object-data",
			contentType:  "application/json",
			expectStatus: 200,
		},
		{
			name:         "Client Error 400",
			statusCode:   400,
			body:         "bad-request",
			contentType:  "application/xml",
			expectStatus: 400,
		},
	}

	for _, tc := range testCases {
		t.Run(tc.name, func(t *testing.T) {

```
...
        "MetaUsr": {
         "X-Amz-Restore-Expiry-Days": "4",
          "X-Amz-Restore-Request-Date": "Mon, 22 Feb 2021 21:10:09 GMT",
          "x-amz-restore": "ongoing-request=false, expiry-date=Sat, 27 Feb 2021 00:00:00 GMT",
...
```

### Encrypted/Object locked objects

     *
     * @param request The repository request from which this cache was retrieved, must not be {@code null}.
     * @param key The key to use for lookup of the data, must not be {@code null}.
     * @return The requested data or {@code null} if none was present in the cache.
     */
    Object get(RepositoryRequest request, Object key);

    /**
     * Uses previously stored resumption data to enrich an existing execution request.
     * @param request The execution request that will be enriched.
     * @param rootProject The root project that is being built.
     */
    void applyResumptionData(MavenExecutionRequest request, MavenProject rootProject);

    /**
     * Removes previously stored resumption data.

			withJSON: `{"request":{"uri":"/1","header":{"User-Agent":"test"}}}
{"request":{"uri":"/2","header":{}}}`,
		},
		{
			name:  "is-not-missing-2",
			query: `select * from s3object[*] as s where s.request.header is not missing`,
			wantResult: `{"request":{"uri":"/1","header":{"User-Agent":"test"}}}
{"request":{"uri":"/2","header":{}}}`,

        field.set(reader, eventDispatcher);

        ArtifactDescriptorRequest request = new ArtifactDescriptorRequest();

        request.addRepository(newTestRepository());

        request.setArtifact(new DefaultArtifact("org.apache.maven.its", "dep-mng5459", "jar", "0.4.0-SNAPSHOT"));

        // execute
        reader.readArtifactDescriptor(session, request);

        // verify
        verify(eventDispatcher).dispatch(event.capture());

    /**
     * Sets the merge mode used to combine repositories declared in the POM with the repositories specified in this
     * request.
     *
     * @param mode The repository merge mode, must not be {@code null}.
     * @return This request for chaining, never {@code null}.
     * @see #setRemoteRepositories(List)
     */
    ProjectBuildingRequest setRepositoryMerging(RepositoryMerging mode);