private IActivationStrategy?ResolveInnerType(IBindingRequest bindingRequest) => innerResolver.ApplyResolutionPolicy(bindingRequest.CreateSubRequest(typeToResolve));
public IActivationStrategy?ApplyResolutionPolicy(IBindingRequest request) => registry.TryGetBinding(request.DesiredType, out var ret) && ret.ValidForRequest(request) ? ret : backupCache?.ApplyResolutionPolicy(request);