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());

        boolean missingArtifactDescriptor = false;

        for (RepositoryEvent evt : event.getAllValues()) {

                return Stream.empty();
            }
        };
    }

    /**
     * Creates new instance of problem collector with configuration from the provided session.
     *
     * @param <P> the type of problem
     * @param protoSession the session containing configuration for the problem collector
     * @return a new problem collector instance
     */
    @Nonnull

* Other dependencies need their results (it's a sub-dependency)
* The logic can be shared by multiple endpoints to do things like error early, authentication, etc.
* They need to handle cleanup (e.g., DB sessions, file handles), using dependencies with `yield`
* Their logic needs input data from the request, like headers, query parameters, etc.

## Dependencies with `yield` and `scope`

import org.apache.maven.project.MavenProject;
import org.apache.maven.properties.internal.EnvironmentUtils;
import org.apache.maven.properties.internal.SystemProperties;
import org.apache.maven.session.scope.internal.SessionScope;
import org.apache.maven.session.scope.internal.SessionScopeModule;
import org.apache.maven.toolchain.building.DefaultToolchainsBuildingRequest;
import org.apache.maven.toolchain.building.ToolchainsBuilder;

     * @return the parsed version, never {@code null}
     * @throws VersionParserException if the string violates the syntax rules of this scheme
     * @see org.apache.maven.api.Session#parseVersion(String)
     */
    @Nonnull
    Version parseVersion(@Nonnull String version);

    /**
     * Parses the specified version range specification, for example "[1.0,2.0)".
     *

  val scheme: String
    get() =
      when (javaNetSocket) {
        is SSLSocket -> "https"
        else -> "http"
      }

  val handshake: Handshake?
    get() = (javaNetSocket as? SSLSocket)?.session?.handshake()

  val handshakeServerNames: List<String>
    get() =
      (javaNetSocket as? SSLSocket)
        ?.let { Platform.Companion.get().getHandshakeServerNames(it) }
        ?: listOf()

# user properties at the very beginning of Maven's boot process.
#
maven.property = yes it is

maven.installation.conf = ${maven.home}/conf
maven.user.conf         = ${user.home}/.m2
maven.project.conf      = ${session.rootDirectory}/.mvn

# Comma-separated list of files to include.
# Each item may be enclosed in quotes to gracefully include spaces. Items are trimmed before being loaded.

            extraSteps = extraBuildSteps,
            preSteps = preBuildSteps,
        )

        failureConditions {
            // JavaExecDebugIntegrationTest.debug session fails without debugger might cause JVM crash
            // Some soak tests produce OOM exceptions
            // There are also random worker crashes for some tests.
            // We have test-retry to handle the crash in tests

# system properties at the very beginning of Maven's boot process.
#

maven.installation.conf = ${maven.home}/conf
maven.user.conf         = ${user.home}/.m2
maven.project.conf      = ${session.rootDirectory}/.mvn

# Comma-separated list of files to include.
# Each item may be enclosed in quotes to gracefully include spaces. Items are trimmed before being loaded.

     *
     * @return negotiated multiplex count
     */
    public int getNegotiatedMpxCount() {
        return this.maxMpxCount;
    }

    /**
     * Gets the negotiated session key.
     *
     * @return negotiated session key
     */
    public int getNegotiatedSessionKey() {
        return this.sessionKey;
    }

    /**
     * {@inheritDoc}
     *