protected Set<String> getSetOfDefaultNeededPropertyNames() {
    return new HashSet<>(Arrays.asList(BODY_OID_PROPERTY, SUBJECT_OID_PROPERTY,
            TRAP_OID_PROPERTY, PORT_PROPERTY));
  }
@return Set that contains names of properties that are needed for all SNMP configurations.
ambari-server/src/main/java/org/apache/ambari/server/notifications/dispatchers/SNMPDispatcher.java