/// <summary>
/// Creates a quantum machine based on the Azure Quantum submission settings.
/// </summary>
/// <param name="settings">The Azure Quantum submission settings.</param>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="settings"/>.Target is null.</exception>
/// <returns>A quantum machine.</returns>
private static IQuantumMachine?CreateMachine(AzureSettings settings) => settings.Target switch
{
null => throw new ArgumentNullException(nameof(settings), "Target is null."),