metadataRequest.setTrace(trace);
            metadataRequests.add(metadataRequest);
        }

        List<MetadataResult> metadataResults = metadataResolver.resolveMetadata(session, metadataRequests);

        WorkspaceReader workspace = session.getWorkspaceReader();
        if (workspace != null) {
            List<String> versions = workspace.findVersions(request.getArtifact());