docs: public void marshall(ProjectDescription projectDescription, ProtocolMarshaller protocolMarshaller) {
  
          if (projectDescription == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(projectDescription.getArn(), ARN_BINDING);
              protocolMarshaller.marshall(projectDescription.getProjectName(), PROJECTNAME_BINDING);
              protocolMarshaller.marshall(projectDescription.getDescription(), DESCRIPTION_BINDING);
              protocolMarshaller.marshall(projectDescription.getCreatedDate(), CREATEDDATE_BINDING);
              protocolMarshaller.marshall(projectDescription.getUpdatedDate(), UPDATEDDATE_BINDING);
              protocolMarshaller.marshall(projectDescription.getPlacementTemplate(), PLACEMENTTEMPLATE_BINDING);
              protocolMarshaller.marshall(projectDescription.getTags(), TAGS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }