linux-packaging-mono/mcs/errors/cs3001-6.cs

// CS3001: Argument type `sbyte' is not CLS-compliant
// Line: 9
// Compiler options: -warnaserror -warn:1

using System;
[assembly:CLSCompliant(true)]

public class CLSClass {
        static public implicit operator CLSClass(byte value) {
               return new CLSClass();
        }
    
        static public implicit operator CLSClass(sbyte value) {
               return new CLSClass();
        }
}