code: @Override
      public RTMPConnection removeConnection(int clientId) {
          log.trace("Removing connection with id: {}", clientId);
          // remove from map
          for (RTMPConnection conn : connMap.values()) {
              if (conn.getId() == clientId) {
                  // remove the conn
                  return removeConnection(conn.getSessionId());
              }
          }
          log.warn("Connection was not removed by id: {}", clientId);
          return null;
      }
docs: {@inheritDoc}