wantedNature);

        List<MetadataRequest> metadataRequests =
                new ArrayList<>(request.getRepositories().size());

        metadataRequests.add(new MetadataRequest(metadata, null, request.getRequestContext()));

        for (RemoteRepository repository : request.getRepositories()) {
            MetadataRequest metadataRequest = new MetadataRequest(metadata, repository, request.getRequestContext());

        List<MetadataRequest> requests = new ArrayList<>();

        for (String pluginGroup : candidates.keySet()) {
            org.eclipse.aether.metadata.Metadata metadata =
                    new DefaultMetadata(pluginGroup, "maven-metadata.xml", DefaultMetadata.Nature.RELEASE_OR_SNAPSHOT);

            requests.add(new MetadataRequest(metadata, null, REPOSITORY_CONTEXT).setTrace(trace));

                            MetadataResolutionRequest metadataRequest =
                                    new DefaultMetadataResolutionRequest(repositoryRequest);
                            metadataRequest.setArtifact(artifact);
                            available = retrieveAvailableVersions(metadataRequest);
                            artifact.setAvailableVersions(available);
                        }

    @Test
    void testResolveMetadata() throws Exception {
        // List<MetadataResult> resolveMetadata( RepositorySystemSession session,
        //                                      Collection<? extends MetadataRequest> requests );
    }

    @Test
    void testInstall() throws Exception {
        // InstallResult install( RepositorySystemSession session, InstallRequest request )