in include/hbase/connection/connection-id.h [67:71]
bool operator()(const std::shared_ptr<ConnectionId> &lhs,
const std::shared_ptr<ConnectionId> &rhs) const {
return userEquals(lhs->user(), rhs->user()) && lhs->host() == rhs->host() &&
lhs->port() == rhs->port() && lhs->service_name() == rhs->service_name();
}