} else if (MAVEN_RESOLVER_TRANSPORT_APACHE.equals(transport)
                || MAVEN_RESOLVER_TRANSPORT_NATIVE.equals(transport)) {
            if (MAVEN_RESOLVER_TRANSPORT_NATIVE.equals(transport)) {
                logger.warn(
                        "Transport name '{}' is DEPRECATED/RENAMED, use '{}' instead",
                        MAVEN_RESOLVER_TRANSPORT_NATIVE,
                        MAVEN_RESOLVER_TRANSPORT_APACHE);
            }

import org.eclipse.aether.spi.connector.layout.RepositoryLayoutProvider;
import org.eclipse.aether.spi.connector.transport.TransporterFactory;
import org.eclipse.aether.spi.connector.transport.TransporterProvider;
import org.eclipse.aether.spi.connector.transport.http.ChecksumExtractor;
import org.eclipse.aether.spi.connector.transport.http.ChecksumExtractorStrategy;
import org.eclipse.aether.spi.io.ChecksumProcessor;

      <dependency>
        <groupId>org.apache.maven.mercury</groupId>
        <artifactId>mercury-transport-http</artifactId>
        <version>${mercuryVersion}</version>
        <scope>test</scope>
      </dependency>
      <dependency>
        <groupId>org.apache.maven.mercury</groupId>
        <artifactId>mercury-transport-http</artifactId>
        <version>${mercuryVersion}</version>
        <type>test-jar</type>

      <dependency>
        <groupId>org.apache.maven.mercury</groupId>
        <artifactId>mercury-transport-http</artifactId>
        <version>${mercuryVersion}</version>
        <scope>test</scope>
      </dependency>
      <dependency>
        <groupId>org.apache.maven.mercury</groupId>
        <artifactId>mercury-transport-http</artifactId>
        <version>${mercuryVersion}</version>
        <type>test-jar</type>

        assertEquals(
                "Unknown resolver transport 'illegal'. Supported transports are: wagon, apache, jdk, auto",
                exception.getMessage());
        properties.remove("maven.resolver.transport");
    }

    @Test
    void versionFilteringTest() throws InvalidRepositoryException {

    <dependency>
      <groupId>org.apache.maven.resolver</groupId>
      <artifactId>maven-resolver-transport-file</artifactId>
    </dependency>
    <!-- HTTP/1.1, lowest priority, Java8+ (still must as some ITs force it) -->
    <dependency>
      <groupId>org.apache.maven.resolver</groupId>
      <artifactId>maven-resolver-transport-wagon</artifactId>
    </dependency>
    <!-- HTTP/1.1, medium priority, Java8+ -->
    <dependency>

      <dependency>
        <groupId>org.apache.maven.mercury</groupId>
        <artifactId>mercury-transport-http</artifactId>
        <version>${mercuryVersion}</version>
        <scope>test</scope>
      </dependency>
      <dependency>
        <groupId>org.apache.maven.mercury</groupId>
        <artifactId>mercury-transport-http</artifactId>
        <version>${mercuryVersion}</version>
        <type>test-jar</type>

        Model model = result.getRawModel();
        return transform(model, project);
    }

    protected Model buildNonPom(RepositorySystemSession session, MavenProject project, Path src)
            throws ModelBuilderException {
        ModelBuilderResult result = buildModel(session, project, src);
        Model model = result.getEffectiveModel();
        return transform(model, project);
    }

          <type>String</type>
        </field>
        <field>
          <name>configuration</name>
          <type>DOM</type>
          <description>
            Extra configuration for the transport layer.
          </description>
        </field>
      </fields>
    </class>
    <class>
      <name>Mirror</name>
      <version>1.0.0+</version>
      <superClass>IdentifiableBase</superClass>

- goal not found in a plugin (probably could list the ones that are)

 */

// PluginNotFoundException, PluginResolutionException, PluginDescriptorParsingException,
// CycleDetectedInPluginGraphException;

/**
 * Transform an exception into useful end-user message.
 */
@Named
@Singleton
public class DefaultExceptionHandler implements ExceptionHandler {

    public ExceptionSummary handleException(Throwable exception) {