/// <summary>
/// Initializes a new instance of the <see cref="ConsulServiceRegistrar"/> class.
/// </summary>
/// <param name="registry">the Consul service registry to use when doing registrations</param>
/// <param name="options">configuration options to use</param>
/// <param name="registration">the registration to register with Consul</param>
/// <param name="logger">optional logger</param>
public ConsulServiceRegistrar(IConsulServiceRegistry registry, ConsulDiscoveryOptions options, IConsulRegistration registration, ILogger <ConsulServiceRegistrar> logger = null)
{
_registry = registry ?? throw new ArgumentNullException(nameof(registry));
_options = options ?? throw new ArgumentNullException(nameof(options));
Registration = registration ?? throw new ArgumentNullException(nameof(registration));
_logger = logger;
}