docs: public void marshall(HlsContentProtection hlsContentProtection, ProtocolMarshaller protocolMarshaller) {
  
          if (hlsContentProtection == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(hlsContentProtection.getMethod(), METHOD_BINDING);
              protocolMarshaller.marshall(hlsContentProtection.getKey(), KEY_BINDING);
              protocolMarshaller.marshall(hlsContentProtection.getKeyMd5(), KEYMD5_BINDING);
              protocolMarshaller.marshall(hlsContentProtection.getInitializationVector(), INITIALIZATIONVECTOR_BINDING);
              protocolMarshaller.marshall(hlsContentProtection.getLicenseAcquisitionUrl(), LICENSEACQUISITIONURL_BINDING);
              protocolMarshaller.marshall(hlsContentProtection.getKeyStoragePolicy(), KEYSTORAGEPOLICY_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }