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());

        } else {
            List<MetadataRequest> metadataReqs =
                    new ArrayList<>(request.getRepositories().size());

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

            for (RemoteRepository repository : request.getRepositories()) {
                MetadataRequest metadataRequest =

                                            MetadataResolutionRequest metadataRequest =
                                                    new DefaultMetadataResolutionRequest(request);

                                            metadataRequest.setArtifact(resetArtifact);
                                            versions = source.retrieveAvailableVersions(metadataRequest);

            MetadataResolutionRequest metadataRequest = new DefaultMetadataResolutionRequest(request);

            metadataRequest.setArtifact(rootArtifact);
            metadataRequest.setResolveManagedVersions(managedVersions == null);

            try {
                ResolutionGroup resolutionGroup = source.retrieve(metadataRequest);

                if (managedVersions == null) {

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