docs: public void marshall(BackendConnectionErrors backendConnectionErrors, ProtocolMarshaller protocolMarshaller) {
  
          if (backendConnectionErrors == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(backendConnectionErrors.getTimeoutCount(), TIMEOUTCOUNT_BINDING);
              protocolMarshaller.marshall(backendConnectionErrors.getConnectionRefusedCount(), CONNECTIONREFUSEDCOUNT_BINDING);
              protocolMarshaller.marshall(backendConnectionErrors.getHTTPCode4XXCount(), HTTPCODE4XXCOUNT_BINDING);
              protocolMarshaller.marshall(backendConnectionErrors.getHTTPCode5XXCount(), HTTPCODE5XXCOUNT_BINDING);
              protocolMarshaller.marshall(backendConnectionErrors.getUnknownHostCount(), UNKNOWNHOSTCOUNT_BINDING);
              protocolMarshaller.marshall(backendConnectionErrors.getOtherCount(), OTHERCOUNT_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }