import com.intellij.navigation.GotoRelatedProvider; //导入依赖的package包/类
@NotNull
public static List<GotoRelatedItem> collectRelatedItems(@NotNull PsiElement contextElement, @Nullable DataContext dataContext) {
  Set<GotoRelatedItem> items = ContainerUtil.newLinkedHashSet();
  for (GotoRelatedProvider provider : Extensions.getExtensions(GotoRelatedProvider.EP_NAME)) {
    items.addAll(provider.getItems(contextElement));
    if (dataContext != null) {
      items.addAll(provider.getItems(dataContext));
    }
  }
  GotoRelatedItem[] result = items.toArray(new GotoRelatedItem[items.size()]);
  Arrays.sort(result, new Comparator<GotoRelatedItem>() {
    @Override
    public int compare(GotoRelatedItem i1, GotoRelatedItem i2) {
      String o1 = i1.getGroup();
      String o2 = i2.getGroup();
      return StringUtil.isEmpty(o1) ? 1 : StringUtil.isEmpty(o2) ? -1 : o1.compareTo(o2);
    }
  });
  return Arrays.asList(result);
}
 

import com.intellij.navigation.GotoRelatedProvider; //导入依赖的package包/类
@NotNull
public static List<GotoRelatedItem> getItems(@NotNull PsiFile psiFile, @Nullable Editor editor, @Nullable DataContext dataContext) {
  PsiElement contextElement = psiFile;
  if (editor != null) {
    PsiElement element = psiFile.findElementAt(editor.getCaretModel().getOffset());
    if (element != null) {
      contextElement = element;
    }
  }

  Set<GotoRelatedItem> items = new LinkedHashSet<GotoRelatedItem>();

  for (GotoRelatedProvider provider : Extensions.getExtensions(GotoRelatedProvider.EP_NAME)) {
    items.addAll(provider.getItems(contextElement));
    if (dataContext != null) {
      items.addAll(provider.getItems(dataContext));
    }
  }
  sortByGroupNames(items);
  return new ArrayList<GotoRelatedItem>(items);
}
 

import com.intellij.navigation.GotoRelatedProvider; //导入依赖的package包/类
@Nonnull
public static List<GotoRelatedItem> collectRelatedItems(@Nonnull PsiElement contextElement, @Nullable DataContext dataContext) {
  Set<GotoRelatedItem> items = ContainerUtil.newLinkedHashSet();
  for (GotoRelatedProvider provider : Extensions.getExtensions(GotoRelatedProvider.EP_NAME)) {
    items.addAll(provider.getItems(contextElement));
    if (dataContext != null) {
      items.addAll(provider.getItems(dataContext));
    }
  }
  GotoRelatedItem[] result = items.toArray(new GotoRelatedItem[items.size()]);
  Arrays.sort(result, (i1, i2) -> {
    String o1 = i1.getGroup();
    String o2 = i2.getGroup();
    return StringUtil.isEmpty(o1) ? 1 : StringUtil.isEmpty(o2) ? -1 : o1.compareTo(o2);
  });
  return Arrays.asList(result);
}
 

import com.intellij.navigation.GotoRelatedProvider; //导入依赖的package包/类
@Nonnull
public static List<GotoRelatedItem> getItems(@Nonnull PsiFile psiFile, @Nullable Editor editor, @Nullable DataContext dataContext) {
  PsiElement contextElement = psiFile;
  if (editor != null) {
    PsiElement element = psiFile.findElementAt(editor.getCaretModel().getOffset());
    if (element != null) {
      contextElement = element;
    }
  }

  Set<GotoRelatedItem> items = new LinkedHashSet<GotoRelatedItem>();

  for (GotoRelatedProvider provider : Extensions.getExtensions(GotoRelatedProvider.EP_NAME)) {
    items.addAll(provider.getItems(contextElement));
    if (dataContext != null) {
      items.addAll(provider.getItems(dataContext));
    }
  }
  sortByGroupNames(items);
  return new ArrayList<GotoRelatedItem>(items);
}
 

import com.intellij.navigation.GotoRelatedProvider; //导入依赖的package包/类
@Override
public void initComponent() {
  ExtensionPoint<GotoRelatedProvider> ep =
      Extensions.getRootArea().getExtensionPoint(GotoRelatedProvider.EP_NAME);
  for (GotoRelatedProvider provider : ep.getExtensions()) {
    if (provider.getClass().equals(OCSwitchToHeaderOrSourceRelatedProvider.class)) {
      ep.unregisterExtension(provider);
    }
  }
}