package org.opendaylight.groupbasedpolicy.neutron.mapper.util; public final class NeutronUtils { public static final String EGRESS = "egress"; public static final String INGRESS = "ingress"; public static final String IPv6 = "IPv6"; public static final String IPv4 = "IPv4"; public static final String NULL = "null"; public static final String UDP = "udp"; public static final String TCP = "tcp"; public static final String ICMP = "icmp"; private NeutronUtils() { throw new UnsupportedOperationException("Cannot create an instance."); } }