/** Returns deep copy of this map instance. */
public MediaSSRCGroupMap copy() {
Map<String, List<SSRCGroup>> mapCopy = new HashMap<String, List<SSRCGroup>>();
for (String media : groupMap.keySet()) {
List<SSRCGroup> listToCopy = new ArrayList<SSRCGroup>(groupMap.get(media));
List<SSRCGroup> listCopy = new ArrayList<SSRCGroup>(listToCopy.size());
for (SSRCGroup group : listToCopy) {
listCopy.add(group.copy());
}
mapCopy.put(media, listCopy);
}
return new MediaSSRCGroupMap(mapCopy);
}
