CRT-450 Web TestEngine demo

@InvocableMethod
global static ListRecommendation getLevel(List<Contactwrapper> input)
{ /*implementation*/ }

@InvocableMethod
global static List<List<Recommendation>> getLevel (List<ContactWrapper> input)
{ /*implementation */ }

@InvocableMethod
global List<List<Recommendation>> getlevel(List<COntactWrapper> input)
{ /*implementation */ }

@InvocableMethod
global Recommendation getlevel(ContactWrapper input)
{ /*implementation */ }