code: protected void clearSubscrips (boolean verbose)
      {
          for (ClientProxy rec : _subscrips.values()) {
              if (verbose) {
                  log.info("Clearing subscription", "client", this, "obj", rec.object.getOid());
              }
              rec.unsubscribe();
          }
          _subscrips.clear();
      }
docs: Clears out the tracked client subscriptions. Called when the client goes away and shouldn't
  be called otherwise.