anchor.diff:              | customBuilderType -> customBuilderType
           
           match customBuilder with
  -        | null ->
  +        | null -> 
               if Mapper.FindTypeMapFor<'TSource, 'TDestination>() = null then Mapper.AddProfile(builder)
               builder
           | _ -> Activator.CreateInstance(customBuilder) :?> 'TBuilder
  
positive.code:                    (typeof<Profile>).IsAssignableFrom(t) = true && t.GetConstructor(Type.EmptyTypes) <> null 
                     && t.IsGenericTypeDefinition = false)
              |> Seq.map (fun t -> Activator.CreateInstance(t) :?> Profile)
              |> Seq.iter (fun t -> a.AddProfile(t)))
  
negative.code:              |> Activator.CreateInstance) :?> 'TBuilder
          
          let customBuilder = 
              match Assembly.GetAssembly(typeof<'TDestination>) |> GenericBuilder.FindCustomBuilderType(builder.GetType()) with
              | null -> 
                  (match Assembly.GetEntryAssembly() with
                   | null -> Assembly.GetCallingAssembly()
  