docs: void processNodeCommand(final HttpServerExchange exchange, final RequestData requestData, final MCMPAction action) throws IOException {
          final String jvmRoute = requestData.getFirst(JVMROUTE);
          if (jvmRoute == null) {
              processError(TYPESYNTAX, SMISFLD, exchange);
              return;
          }
          if (processNodeCommand(jvmRoute, action)) {
              processOK(exchange);
          } else {
              processError(MCMPErrorCode.CANT_UPDATE_NODE, exchange);
          }
      }