NotificationWrapper is a "wide" read only interface
providing "unstructured" access to agent internals and paylod carried by
notifications.
The alternatives were:
1.
SnmpVarBindFactory implements the infrastructure required to
generate SNMP variable bindings from generic Object instances.
For each handled type (integer, string, e.t.c.) a corresponding maker class
is present that "knows" how to make and populate the coresponding variable
binding (SnmpInt32, SnmpOctetString).