docs: public void marshall(HealthCheck healthCheck, ProtocolMarshaller protocolMarshaller) {
  
          if (healthCheck == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(healthCheck.getCommand(), COMMAND_BINDING);
              protocolMarshaller.marshall(healthCheck.getInterval(), INTERVAL_BINDING);
              protocolMarshaller.marshall(healthCheck.getTimeout(), TIMEOUT_BINDING);
              protocolMarshaller.marshall(healthCheck.getRetries(), RETRIES_BINDING);
              protocolMarshaller.marshall(healthCheck.getStartPeriod(), STARTPERIOD_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }