public void registerStatusSent(final PeerConnection connection) {
    synchronized (this) {
      connection.setStatusSent();
      maybeExecuteStatusesExchangedCallback(connection);
    }
  }
Attempt to get a request manager for a received response-type message e.g. BLOCK_HEADERS. If
the message is a request-type message e.g. GET_BLOCK_HEADERS no request manager will exist so
Optional.empty() will be returned.

@param protocolName the type of protocol the message is for
@param code the message code
@return a request manager for the received response message, or Optional.empty() if this is a
    request message
ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/manager/EthPeer.java