private void createGroups(@NonNull final List<Integer> subscriptionAddresses) {
        final MeshNetwork network = mInternalTransportCallbacks.getMeshNetwork();
        for (Integer groupAddress : subscriptionAddresses) {
            if (groupAddress < ALL_PROXIES_ADDRESS) {
                Group group = network.getGroup(groupAddress);
                if (group == null) {
                    group = new Group(groupAddress, network.getMeshUUID());
                    group.setName("Unknown Group");
                    mInternalTransportCallbacks.addGroup(group);
                }
            }
        }
    }
Checks and returns a new filter or the existing filter

@param currentFilter Proxy filter that is currently set on this node
@param filterType    Type of {@link ProxyFilterType} that was received by the status message
mesh/src/main/java/no/nordicsemi/android/mesh/transport/DefaultNoOperationMessageState.java