Antlr4.Runtime.Misc.Args.NotNull C# (CSharp) Метод

        public static void NotNull(string parameterName, object value)
        {
            if (value == null)
            {
                throw new ArgumentNullException(parameterName);
            }
        }
    }

 private bool CheckClassNameConstant <_T0>(string className, System.Type <_T0> clazz)
 {
     Args.NotNull("className", className);
     Args.NotNull("clazz", clazz);
     if (!className.Equals(clazz.GetCanonicalName()))
     {
         processingEnv.GetMessager().PrintMessage(Diagnostic.Kind.Error, string.Format("Unable to process rule dependencies due to class name mismatch: {0} != {1}", className, clazz.GetCanonicalName()));
         return(false);
     }
     return(true);
 }