void clear() {
   myPsiElements.clear();
   for (RangeMarker marker : myRangeMarkers) {
     if (!(marker instanceof FoldRegion)) marker.dispose();
   }
   myRangeMarkers.clear();
   mySerializedElements.clear();
 }
  @NotNull
  public UsageInfo[] findUsages() {
    myRenamers.clear();
    ArrayList<UsageInfo> result = new ArrayList<UsageInfo>();

    List<PsiElement> elements = new ArrayList<PsiElement>(myAllRenames.keySet());
    //noinspection ForLoopReplaceableByForEach
    for (int i = 0; i < elements.size(); i++) {
      PsiElement element = elements.get(i);
      final String newName = myAllRenames.get(element);
      final UsageInfo[] usages =
          RenameUtil.findUsages(
              element, newName, mySearchInComments, mySearchTextOccurrences, myAllRenames);
      final List<UsageInfo> usagesList = Arrays.asList(usages);
      result.addAll(usagesList);

      for (AutomaticRenamerFactory factory : myRenamerFactories) {
        if (factory.isApplicable(element)) {
          myRenamers.add(factory.createRenamer(element, newName, usagesList));
        }
      }

      for (AutomaticRenamerFactory factory :
          Extensions.getExtensions(AutomaticRenamerFactory.EP_NAME)) {
        if (factory.getOptionName() == null && factory.isApplicable(element)) {
          myRenamers.add(factory.createRenamer(element, newName, usagesList));
        }
      }
    }
    UsageInfo[] usageInfos = result.toArray(new UsageInfo[result.size()]);
    usageInfos = UsageViewUtil.removeDuplicatedUsages(usageInfos);
    return usageInfos;
  }
  public void testTypingDoesNotInterfereWithDuplicates() throws Exception {
    SliceTreeStructure treeStructure = configureTree("DupSlice");
    SliceNode root = (SliceNode) treeStructure.getRootElement();
    List<SliceNode> nodes = new ArrayList<SliceNode>();
    expandNodesTo(root, nodes);

    for (int i = 0; i < nodes.size() - 1; i++) {
      SliceNode node = nodes.get(i);
      assertNull(node.getDuplicate());
    }
    SliceNode last = nodes.get(nodes.size() - 1);
    assertNotNull(last.getDuplicate());

    type("   xx");
    PsiDocumentManager.getInstance(getProject()).commitAllDocuments();
    backspace();
    backspace();
    PsiDocumentManager.getInstance(getProject()).commitAllDocuments();

    nodes.clear();
    expandNodesTo(root, nodes);
    for (int i = 0; i < nodes.size() - 1; i++) {
      SliceNode node = nodes.get(i);
      assertNull(node.getDuplicate());
    }
    assertNotNull(last.getDuplicate());
  }
  public void cleanup() {
    myScope = null;
    myRefProject = null;
    synchronized (myRefTable) {
      myRefTable.clear();
      mySortedRefs = null;
    }
    myModules.clear();
    myContext = null;

    myGraphAnnotators.clear();
    for (RefManagerExtension extension : myExtensions.values()) {
      extension.cleanup();
    }
  }
  @Override
  public void readExternal(Element element) throws InvalidDataException {
    PathMacroManager.getInstance(getProject()).expandPaths(element);
    super.readExternal(element);
    JavaRunConfigurationExtensionManager.getInstance().readExternal(this, element);
    readModule(element);
    DefaultJDOMExternalizer.readExternal(this, element);
    DefaultJDOMExternalizer.readExternal(getPersistantData(), element);
    EnvironmentVariablesComponent.readExternal(element, getPersistantData().getEnvs());

    Map<String, String> properties = getPersistantData().TEST_PROPERTIES;
    properties.clear();
    Element propertiesElement = element.getChild("properties");
    if (propertiesElement != null) {
      List<Element> children = propertiesElement.getChildren("property");
      for (Element property : children) {
        properties.put(property.getAttributeValue("name"), property.getAttributeValue("value"));
      }
    }

    List<String> listeners = getPersistantData().TEST_LISTENERS;
    listeners.clear();
    Element listenersElement = element.getChild("listeners");
    if (listenersElement != null) {
      List<Element> children = listenersElement.getChildren("listener");
      for (Element listenerClassName : children) {
        listeners.add(listenerClassName.getAttributeValue("class"));
      }
    }
    final Element patternsElement = element.getChild(PATTERNS_EL_NAME);
    if (patternsElement != null) {
      final LinkedHashSet<String> tests = new LinkedHashSet<String>();
      for (Object o : patternsElement.getChildren(PATTERN_EL_NAME)) {
        Element patternElement = (Element) o;
        tests.add(patternElement.getAttributeValue(TEST_CLASS_ATT_NAME));
      }
      getPersistantData().setPatterns(tests);
    }
  }
 public void clear() {
   myResults.clear();
 }
  @Override
  public void setToEditor(@NotNull final Editor editor) {
    assertDispatchThread();
    final PsiManager psiManager = PsiManager.getInstance(myProject);
    if (psiManager.isDisposed()) return;

    if (!myFile.isValid()) return;
    final PsiFile psiFile = psiManager.findFile(myFile);
    if (psiFile == null) return;

    if (!mySerializedElements.isEmpty()) {
      // Restore postponed state
      assert myPsiElements.isEmpty() : "Sequential deserialization";
      for (SerializedPsiElement entry : mySerializedElements) {
        PsiElement restoredElement =
            FoldingPolicy.restoreBySignature(psiFile, entry.mySerializedElement);
        if (restoredElement != null && restoredElement.isValid()) {
          myPsiElements.add(
              SmartPointerManager.getInstance(myProject)
                  .createSmartPsiElementPointer(restoredElement));
          restoredElement.putUserData(FOLDING_INFO_KEY, entry.myFoldingInfo);
        }
      }
      mySerializedElements.clear();
    }

    Map<PsiElement, FoldingDescriptor> ranges = null;
    for (SmartPsiElementPointer<PsiElement> ptr : myPsiElements) {
      PsiElement element = ptr.getElement();
      if (element == null || !element.isValid()) {
        continue;
      }

      if (ranges == null) {
        ranges = buildRanges(editor, psiFile);
      }
      FoldingDescriptor descriptor = ranges.get(element);
      if (descriptor == null) {
        continue;
      }

      TextRange range = descriptor.getRange();
      FoldRegion region =
          FoldingUtil.findFoldRegion(editor, range.getStartOffset(), range.getEndOffset());
      if (region != null) {
        FoldingInfo fi = element.getUserData(FOLDING_INFO_KEY);
        boolean state = fi != null && fi.expanded;
        region.setExpanded(state);
      }
    }
    for (RangeMarker marker : myRangeMarkers) {
      if (!marker.isValid()) {
        continue;
      }
      FoldRegion region =
          FoldingUtil.findFoldRegion(editor, marker.getStartOffset(), marker.getEndOffset());
      FoldingInfo info = marker.getUserData(FOLDING_INFO_KEY);
      if (region == null) {
        if (info != null) {
          region =
              editor
                  .getFoldingModel()
                  .addFoldRegion(marker.getStartOffset(), marker.getEndOffset(), info.placeHolder);
        }
        if (region == null) {
          return;
        }
      }

      boolean state = info != null && info.expanded;
      region.setExpanded(state);
    }
  }