code: public void marshall(SchemaAttributeType schemaAttributeType, ProtocolMarshaller protocolMarshaller) {
  
          if (schemaAttributeType == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(schemaAttributeType.getName(), NAME_BINDING);
              protocolMarshaller.marshall(schemaAttributeType.getAttributeDataType(), ATTRIBUTEDATATYPE_BINDING);
              protocolMarshaller.marshall(schemaAttributeType.getDeveloperOnlyAttribute(), DEVELOPERONLYATTRIBUTE_BINDING);
              protocolMarshaller.marshall(schemaAttributeType.getMutable(), MUTABLE_BINDING);
              protocolMarshaller.marshall(schemaAttributeType.getRequired(), REQUIRED_BINDING);
              protocolMarshaller.marshall(schemaAttributeType.getNumberAttributeConstraints(), NUMBERATTRIBUTECONSTRAINTS_BINDING);
              protocolMarshaller.marshall(schemaAttributeType.getStringAttributeConstraints(), STRINGATTRIBUTECONSTRAINTS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.