@Nullable
 private static Sdk fixProjectSdk(@NotNull Project project) {
   final ProjectRootManagerEx projectRootMgr = ProjectRootManagerEx.getInstanceEx(project);
   Sdk selectedSdk = projectRootMgr.getProjectSdk();
   if (selectedSdk == null || selectedSdk.getSdkType() != ErlangSdkType.getInstance()) {
     final Sdk moreSuitableSdk =
         ProjectJdkTable.getInstance().findMostRecentSdkOfType(ErlangSdkType.getInstance());
     ApplicationManager.getApplication()
         .runWriteAction(
             new Runnable() {
               @Override
               public void run() {
                 projectRootMgr.setProjectSdk(moreSuitableSdk);
               }
             });
     return moreSuitableSdk;
   }
   return selectedSdk;
 }
 private static void createMockSdk() {
   final Sdk mockSdk = ErlangSdkType.createMockSdk(MOCK_SDK_DIR);
   ApplicationManager.getApplication()
       .runWriteAction(
           new Runnable() {
             @Override
             public void run() {
               ProjectJdkTable.getInstance().addJdk(mockSdk);
             }
           });
 }
 @Override
 public ModuleWizardStep[] createWizardSteps(
     WizardContext wizardContext,
     final ErlangModuleBuilder moduleBuilder,
     ModulesProvider modulesProvider) {
   return new ModuleWizardStep[] {
     new ProjectJdkForModuleStep(wizardContext, ErlangSdkType.getInstance()) {
       public void updateDataModel() {
         super.updateDataModel();
         moduleBuilder.setModuleJdk(getJdk());
       }
     }
   };
 }
 @Override
 public boolean isSuitableSdkType(@NotNull SdkTypeId sdkType) {
   return sdkType == ErlangSdkType.getInstance();
 }