public boolean startInplaceIntroduceTemplate() {
    final boolean replaceAllOccurrences = isReplaceAllOccurrences();
    final Ref<Boolean> result = new Ref<>(false);
    CommandProcessor.getInstance().executeCommand(myProject, () -> {
      final String[] names = suggestNames(replaceAllOccurrences, getLocalVariable());
      boolean started = false;
      try (AccessToken ignore = SlowOperations.allowSlowOperations(SlowOperations.ACTION_PERFORM)) {
        if (replaceAllOccurrences) {
          int segmentsLimit = Registry.intValue("inplace.rename.segments.limit", -1);
          // Too many occurrences: rename template won't start, see InplaceRefactoring.buildTemplateAndStart
          // 2 = variable type + variable name
          if (segmentsLimit != -1 && getOccurrences().length + 2 > segmentsLimit) return;
        }
        final V variable = createFieldToStartTemplateOn(replaceAllOccurrences, names);
        if (variable != null) {
          int caretOffset = getCaretOffset();
          myEditor.getCaretModel().moveToOffset(caretOffset);
          myEditor.getScrollingModel().scrollToCaret(ScrollType.MAKE_VISIBLE);
  
          final LinkedHashSet<String> nameSuggestions = new LinkedHashSet<>();
          nameSuggestions.add(variable.getName());
          nameSuggestions.addAll(Arrays.asList(names));
          initOccurrencesMarkers();
          setElementToRename(variable);
          updateTitle(getVariable());
          started = super.performInplaceRefactoring(nameSuggestions);
          TemplateState state = TemplateManagerImpl.getTemplateState(myEditor);
          if (started && state != null && !state.isFinished()) {
            myDocumentAdapter = new DocumentListener() {
              @Override
              public void documentChanged(@NotNull DocumentEvent e) {
                if (myPreview == null) return;
                final TemplateState templateState = TemplateManagerImpl.getTemplateState(myEditor);
                if (templateState != null) {
                  final TextResult value = templateState.getVariableValue(InplaceRefactoring.PRIMARY_VARIABLE_NAME);
                  if (value != null) {
                    updateTitle(getVariable(), value.getText());
                  }
                }
              }
            };
            myEditor.getDocument().addDocumentListener(myDocumentAdapter);
            updateTitle(getVariable());
            if (TemplateManagerImpl.getTemplateState(myEditor) != null) {
              myEditor.putUserData(ACTIVE_INTRODUCE, this);
            }
          }
        }
        result.set(started);
      }
      finally {
        if (!started) {
          finish(true);
        }
      }
    }, getCommandName(), getCommandName());
    return result.get();
  }
public boolean startInplaceIntroduceTemplate()