docs: public void marshall(StaticKeyProvider staticKeyProvider, ProtocolMarshaller protocolMarshaller) {
  
          if (staticKeyProvider == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(staticKeyProvider.getKeyFormat(), KEYFORMAT_BINDING);
              protocolMarshaller.marshall(staticKeyProvider.getKeyFormatVersions(), KEYFORMATVERSIONS_BINDING);
              protocolMarshaller.marshall(staticKeyProvider.getStaticKeyValue(), STATICKEYVALUE_BINDING);
              protocolMarshaller.marshall(staticKeyProvider.getUrl(), URL_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }