{"_context" : {
    "_types" : {
      "EmptyIntegerList" : {"_id" : "uima.cas.EmptyIntegerList" }, 
      "NonEmptyIntegerList" : {"_id" : "uima.cas.NonEmptyIntegerList", 
        "_feature_types" : {"tail" : "_array" } }, 
      "IntegerList" : {"_id" : "uima.cas.IntegerList", 
        "_subtypes" : ["EmptyIntegerList",  "NonEmptyIntegerList" ] }, 
      "ListBase" : {"_id" : "uima.cas.ListBase", 
        "_subtypes" : ["IntegerList" ] }, 
      "TOP" : {"_id" : "uima.cas.TOP", 
        "_subtypes" : ["ListBase" ] } } }, 
  "_views" : {
    "_InitialView" : {
      "NonEmptyIntegerList" : [
        {"tail" : [22,  33 ],  "head" : 11 } ] } } }