@Nullable
 private static PsiType guessElementTypeFromReference(
     MethodPatternMap methodPatternMap, PsiElement ref, TextRange rangeToIgnore) {
   PsiElement refParent = ref.getParent();
   if (refParent instanceof PsiReferenceExpression) {
     PsiReferenceExpression parentExpr = (PsiReferenceExpression) refParent;
     if (ref.equals(parentExpr.getQualifierExpression())
         && parentExpr.getParent() instanceof PsiMethodCallExpression) {
       String methodName = parentExpr.getReferenceName();
       PsiMethodCallExpression methodCall = (PsiMethodCallExpression) parentExpr.getParent();
       PsiExpression[] args = methodCall.getArgumentList().getExpressions();
       MethodPattern pattern = methodPatternMap.findPattern(methodName, args.length);
       if (pattern != null) {
         if (pattern.parameterIndex < 0) { // return value
           if (methodCall.getParent() instanceof PsiTypeCastExpression
               && (rangeToIgnore == null || !rangeToIgnore.contains(methodCall.getTextRange()))) {
             return ((PsiTypeCastExpression) methodCall.getParent()).getType();
           }
         } else {
           return args[pattern.parameterIndex].getType();
         }
       }
     }
   }
   return null;
 }
  @Override
  protected void invokeImpl(PsiClass targetClass) {
    final PsiFile callSite = myMethodCall.getContainingFile();
    final Project project = myMethodCall.getProject();
    PsiElementFactory elementFactory = JavaPsiFacade.getInstance(project).getElementFactory();

    IdeDocumentHistory.getInstance(project).includeCurrentPlaceAsChangePlace();

    try {
      PsiMethod constructor = elementFactory.createConstructor();
      constructor = (PsiMethod) targetClass.add(constructor);

      final TemplateBuilderImpl templateBuilder = new TemplateBuilderImpl(constructor);
      CreateFromUsageUtils.setupMethodParameters(
          constructor,
          templateBuilder,
          myMethodCall.getArgumentList(),
          getTargetSubstitutor(myMethodCall));

      final PsiFile psiFile = myMethodCall.getContainingFile();

      templateBuilder.setEndVariableAfter(constructor.getBody().getLBrace());
      final RangeMarker rangeMarker =
          psiFile.getViewProvider().getDocument().createRangeMarker(myMethodCall.getTextRange());

      constructor = CodeInsightUtilCore.forcePsiPostprocessAndRestoreElement(constructor);

      targetClass = constructor.getContainingClass();
      myMethodCall =
          CodeInsightUtil.findElementInRange(
              psiFile,
              rangeMarker.getStartOffset(),
              rangeMarker.getEndOffset(),
              myMethodCall.getClass());
      rangeMarker.dispose();

      Template template = templateBuilder.buildTemplate();
      final Editor editor = positionCursor(project, targetClass.getContainingFile(), targetClass);
      if (editor == null) return;
      final TextRange textRange = constructor.getTextRange();
      final PsiFile file = targetClass.getContainingFile();
      editor.getDocument().deleteString(textRange.getStartOffset(), textRange.getEndOffset());
      editor.getCaretModel().moveToOffset(textRange.getStartOffset());

      startTemplate(
          editor,
          template,
          project,
          new TemplateEditingAdapter() {
            @Override
            public void templateFinished(Template template, boolean brokenOff) {
              ApplicationManager.getApplication()
                  .runWriteAction(
                      new Runnable() {
                        @Override
                        public void run() {
                          try {
                            PsiDocumentManager.getInstance(project)
                                .commitDocument(editor.getDocument());
                            final int offset = editor.getCaretModel().getOffset();
                            PsiMethod constructor =
                                PsiTreeUtil.findElementOfClassAtOffset(
                                    file, offset, PsiMethod.class, false);
                            CreateFromUsageUtils.setupMethodBody(constructor);
                            CreateFromUsageUtils.setupEditor(constructor, editor);

                            UndoUtil.markPsiFileForUndo(callSite);
                          } catch (IncorrectOperationException e) {
                            LOG.error(e);
                          }
                        }
                      });
            }
          });
    } catch (IncorrectOperationException e) {
      LOG.error(e);
    }
  }