docs: public void marshall(CreateEnvironmentEC2Request createEnvironmentEC2Request, ProtocolMarshaller protocolMarshaller) {
  
          if (createEnvironmentEC2Request == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(createEnvironmentEC2Request.getName(), NAME_BINDING);
              protocolMarshaller.marshall(createEnvironmentEC2Request.getDescription(), DESCRIPTION_BINDING);
              protocolMarshaller.marshall(createEnvironmentEC2Request.getClientRequestToken(), CLIENTREQUESTTOKEN_BINDING);
              protocolMarshaller.marshall(createEnvironmentEC2Request.getInstanceType(), INSTANCETYPE_BINDING);
              protocolMarshaller.marshall(createEnvironmentEC2Request.getSubnetId(), SUBNETID_BINDING);
              protocolMarshaller.marshall(createEnvironmentEC2Request.getAutomaticStopTimeMinutes(), AUTOMATICSTOPTIMEMINUTES_BINDING);
              protocolMarshaller.marshall(createEnvironmentEC2Request.getOwnerArn(), OWNERARN_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }