Encapsulates logic that determines whether a request is a request for a SortedList{TKey,TValue}.
Inheritance: IRequestSpecification
 public void SutIsRequestSpecification()
 {
     // Fixture setup
     // Exercise system
     var sut = new SortedListSpecification();
     // Verify outcome
     Assert.IsAssignableFrom<IRequestSpecification>(sut);
     // Teardown
 }
 [InlineData(typeof(Dictionary<object, Version>))]  // double parameter generic, that implements same interface
 public void IsSatisfiedByNonSortedListRequestReturnsCorrectResult(object request)
 {
     // Fixture setup
     var sut = new SortedListSpecification();
     // Exercise system
     var result = sut.IsSatisfiedBy(request);
     // Verify outcome
     Assert.False(result);
     // Teardown
 }