docs: public void marshall(SchemaChangePolicy schemaChangePolicy, ProtocolMarshaller protocolMarshaller) {
  
          if (schemaChangePolicy == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(schemaChangePolicy.getUpdateBehavior(), UPDATEBEHAVIOR_BINDING);
              protocolMarshaller.marshall(schemaChangePolicy.getDeleteBehavior(), DELETEBEHAVIOR_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }