public ComponentRegistration(Type type, ComponentActivator activator, IEnumerable <Type>?registrationTypes = null)
{
var registrations = new List <Type>(registrationTypes ?? Array.Empty <Type>());
if (registrations.Count == 0)
{
// Every registration needs at least one registration type.
registrations.Add(type);
}
ImplementationType = type;
RegistrationTypes = registrations;
Activator = activator ?? throw new ArgumentNullException(nameof(activator));
}
public CachingActivator(ComponentActivator activator)
{
_activator = activator ?? throw new ArgumentNullException(nameof(activator));
_result = null;
}