public override int GetHashCode() => Version.GetHashCode() ^ Artifact.GetHashCode();
/// <summary>
/// Initializes a new <see cref="ArtifactInstance"/>.
/// </summary>
/// <param name="a">The artifact.</param>
/// <param name="version">The version. Can not be null.</param>
public ArtifactInstance(Artifact a, SVersion version)
{
Artifact = a;
Version = version ?? throw new ArgumentNullException(nameof(version));
}