System.Reflection.Emit.MethodBuilderInstantiation.MakeGenericMethod C# (CSharp) Method

        public override MethodInfo MakeGenericMethod(params Type[] arguments)
        {
           throw new InvalidOperationException(Environment.GetResourceString("Arg_NotGenericMethodDefinition"));
        }

 public override MethodInfo MakeGenericMethod(params Type[] typeArgs)
 {
     if (!this.IsGenericMethodDefinition)
     {
         throw new InvalidOperationException(Environment.GetResourceString("Arg_NotGenericMethodDefinition"));
     }
     return(MethodBuilderInstantiation.MakeGenericMethod((MethodInfo)this, typeArgs));
 }