code: function initializeLayout(workflowState) {
              if (!isFirstPageLoad) {
                  return workflowState;
              }
  
              var stateForLayout = workflowState.reason ? {} : recordedState;
  
              stateForLayout["environmentConfig"] = environmentConfig;
  
              layout = new LayoutForRoute({
                  request: clientRequest,
                  model: new Backbone.Model(stateForLayout)
              });
  
              layout.setEnvironmentConfig(environmentConfig);
  
              currentLayout = layout;
  
              return workflowState;
          }
docs: /*
  Deprecated: Passing request as options is an intermediate
  fix while we plan a better way to get this where it's needed.