C# (CSharp) Xlent.Lever.Libraries2.Standard.Assert InternalContract.RequireNotNullOrWhitespace - 4 examples found. These are the top rated real world C# (CSharp) examples of Xlent.Lever.Libraries2.Standard.Assert.InternalContract.RequireNotNullOrWhitespace extracted from open source projects. You can rate examples to help us improve the quality of examples.