public Map<ClientProxyMembershipID, CacheClientStatus> getAllClients() {
    Map<ClientProxyMembershipID, CacheClientStatus> clients = new HashMap<>();
    for (CacheClientProxy proxy : _clientProxies.values()) {
      ClientProxyMembershipID proxyID = proxy.getProxyID();
      clients.put(proxyID, new CacheClientStatus(proxyID));
    }
    return clients;
  }
Return (possibly stale) list of all clients and their status

@return Map, with CacheClientProxy as a key and CacheClientStatus as a value
geode-core/src/main/java/org/apache/geode/internal/cache/tier/sockets/CacheClientNotifier.java