public CallStubbingAdvice(ICallStubber callStubber)
 {
     if (callStubber == null)
     {
         throw new ArgumentNullException("callStubber");
     }
     _callStubber = callStubber;
 }
 public SampleEndpointStubbingAdvice(ISampleEndpoint advicedSampleEndpoint, ICallStubber callStubber)
     : base(advicedSampleEndpoint)
 {
     if (callStubber == null)
     {
         throw new ArgumentNullException("callStubber");
     }
     _callStubber = callStubber;
 }