code: public String mapPrimitiveType2ObjectTypeName(String primitiveTypeName) {
  		if (primitive2ObjectTypeNameMap.containsKey(primitiveTypeName)) {
  			return primitive2ObjectTypeNameMap.get(primitiveTypeName);
  		} else {
  			return primitiveTypeName;
  		}
  	}
docs: Translate primitive type names (such as int, long, boolean) to Object
  type names (such as Integer, Long, Boolean). If the primitive type is not
  defined this method will return the primitiveTypeName.