@Override
    public org.eclipse.aether.artifact.Artifact toArtifact(ArtifactCoordinate coord) {
        if (coord instanceof DefaultArtifactCoordinate) {
            return ((DefaultArtifactCoordinate) coord).getCoordinate();
        }
        return new org.eclipse.aether.artifact.DefaultArtifact(
                coord.getGroupId(),
                coord.getArtifactId(),
                coord.getClassifier(),