@Override
  public String toString() {
    return "ArtifactResultData{" +
           "groupId='" + artifact.getGroupId() + '\'' +
           ", artifactId='" + artifact.getArtifactId() + '\'' +
           ", version='" + artifact.getVersion() + '\'' +
           ", repositoryId=" + repository.getId() +
           '}';
  }
@Override
  public String toString()