IJPL-7 make methods of Navigatable default

They should not be required to be implemented, only `Navigatable.navigationRequest` is.

GitOrigin-RevId: b038cb465de3b9f1d6c37f8578ecd69f8667a10b

platform/core-api/src/com/intellij/navigation/EmptyNavigatable.java

@@ -1,27 +1,11 @@
-// Copyright 2000-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.navigation;
 
 import com.intellij.pom.Navigatable;
-import com.intellij.util.IncorrectOperationException;
 
 public final class EmptyNavigatable implements Navigatable {
 
   public static final Navigatable INSTANCE = new EmptyNavigatable();
 
   private EmptyNavigatable() {}
-
-  @Override
-  public boolean canNavigate() {
-    return false;
-  }
-
-  @Override
-  public boolean canNavigateToSource() {
-    return false;
-  }
-
-  @Override
-  public void navigate(boolean requestFocus) {
-    throw new IncorrectOperationException("Must not call #navigate() if #canNavigate() returns 'false'");
-  }
 }

platform/core-api/src/com/intellij/pom/Navigatable.java

@@ -3,6 +3,7 @@ package com.intellij.pom;
 
 import com.intellij.platform.backend.navigation.NavigationRequest;
 import com.intellij.platform.backend.navigation.NavigationRequests;
+import com.intellij.util.IncorrectOperationException;
 import com.intellij.util.concurrency.annotations.RequiresBackgroundThread;
 import com.intellij.util.concurrency.annotations.RequiresReadLock;
 import org.jetbrains.annotations.ApiStatus.Experimental;
@@ -38,7 +39,12 @@ public interface Navigatable {
    *
    * @param requestFocus {@code true} if focus requesting is necessary
    */
-  void navigate(boolean requestFocus);
+  default void navigate(boolean requestFocus) {
+    throw new IncorrectOperationException(
+      "Must not call `navigate(boolean)` if `canNavigate()` returns `false`, " +
+      "or `navigate(boolean)` should be overridden if `canNavigate()` can return `true`."
+    );
+  }
 
   /**
    * Indicates whether this instance supports navigation of any kind.
@@ -50,7 +56,9 @@ public interface Navigatable {
    *
    * @return {@code false} if navigation is not possible for any reason.
    */
-  boolean canNavigate();
+  default boolean canNavigate() {
+    return false;
+  }
 
   /**
    * Indicates whether this instance supports navigation to source (that means some kind of editor).
@@ -62,5 +70,7 @@ public interface Navigatable {
    *
    * @return {@code false} if navigation to source is not possible for any reason.
    */
-  boolean canNavigateToSource();
+  default boolean canNavigateToSource() {
+    return false;
+  }
 }

platform/editor-ui-api/src/com/intellij/ide/util/treeView/AbstractTreeNode.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2021 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.ide.util.treeView;
 
 import com.intellij.ide.projectView.PresentationData;
@@ -255,20 +255,6 @@ public abstract class AbstractTreeNode<T> extends PresentableNodeDescriptor<Abst
     return myName;
   }
 
-  @Override
-  public void navigate(boolean requestFocus) {
-  }
-
-  @Override
-  public boolean canNavigate() {
-    return false;
-  }
-
-  @Override
-  public boolean canNavigateToSource() {
-    return false;
-  }
-
   @Nullable
   protected final Object getParentValue() {
     AbstractTreeNode<?> parent = getParent();

platform/lang-impl/src/com/intellij/find/actions/SearchTarget2UsageTarget.kt

@@ -1,4 +1,4 @@
-// Copyright 2000-2022 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 
 package com.intellij.find.actions
 
@@ -56,10 +56,7 @@ class SearchTarget2UsageTarget(
   // ----- Navigatable & NavigationItem -----
   // TODO Symbol navigation
 
-  override fun canNavigate(): Boolean = false
-  override fun canNavigateToSource(): Boolean = false
   override fun getName(): String? = null
-  override fun navigate(requestFocus: Boolean) = Unit
 
   // ----- actions -----
 

platform/lang-impl/src/com/intellij/find/impl/FindInProjectUtil.java

@@ -515,21 +515,6 @@ public final class FindInProjectUtil {
       return this;
     }
 
-    @Override
-    public void navigate(boolean requestFocus) {
-      throw new UnsupportedOperationException();
-    }
-
-    @Override
-    public boolean canNavigate() {
-      return false;
-    }
-
-    @Override
-    public boolean canNavigateToSource() {
-      return false;
-    }
-
     @Override
     public void showSettings() {
       Content selectedContent = UsageViewContentManager.getInstance(myProject).getSelectedContent(true);

platform/lang-impl/src/com/intellij/ide/bookmark/providers/InvalidBookmark.kt

@@ -1,8 +1,8 @@
-// Copyright 2000-2021 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.ide.bookmark.providers
 
 import com.intellij.ide.bookmark.Bookmark
-import java.util.Objects
+import java.util.*
 
 internal class InvalidBookmark(override val provider: LineBookmarkProvider, val url: String, val line: Int) : Bookmark {
 
@@ -11,10 +11,6 @@ internal class InvalidBookmark(override val provider: LineBookmarkProvider, val
 
   override fun createNode() = UrlNode(provider.project, this)
 
-  override fun canNavigate() = false
-  override fun canNavigateToSource() = false
-  override fun navigate(requestFocus: Boolean) = Unit
-
   override fun hashCode() = Objects.hash(provider, url, line)
   override fun equals(other: Any?) = other === this || other is InvalidBookmark
                                      && other.provider == provider

platform/lang-impl/src/com/intellij/refactoring/rename/impl/RenameTarget2UsageTarget.kt

@@ -1,4 +1,4 @@
-// Copyright 2000-2022 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.refactoring.rename.impl
 
 import com.intellij.model.Pointer
@@ -52,9 +52,6 @@ internal class RenameTarget2UsageTarget(
   // ----- Navigatable & NavigationItem -----
 
   override fun getName(): String? = null
-  override fun canNavigate(): Boolean = false
-  override fun canNavigateToSource(): Boolean = false
-  override fun navigate(requestFocus: Boolean): Unit = Unit
 
   // ----- actions -----
 

platform/lang-impl/src/com/intellij/refactoring/ui/ConflictsDialog.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2021 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 
 package com.intellij.refactoring.ui;
 
@@ -21,7 +21,10 @@ import com.intellij.util.ArrayUtilRt;
 import com.intellij.util.containers.MultiMap;
 import com.intellij.util.ui.HTMLEditorKitBuilder;
 import com.intellij.util.ui.JBUI;
-import org.jetbrains.annotations.*;
+import org.jetbrains.annotations.Contract;
+import org.jetbrains.annotations.NonNls;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import javax.swing.*;
 import javax.swing.event.HyperlinkEvent;
@@ -270,18 +273,6 @@ public class ConflictsDialog extends DialogWrapper implements ConflictsDialogBas
         };
       }
 
-      @Override
-      public boolean canNavigateToSource() {
-        return false;
-      }
-
-      @Override
-      public boolean canNavigate() {
-        return false;
-      }
-      @Override
-      public void navigate(boolean requestFocus) {}
-
       @Override
       public FileEditorLocation getLocation() {
         return null;

platform/platform-api/src/com/intellij/pom/NonNavigatable.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2015 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.pom;
 
 /**
@@ -24,18 +10,4 @@ public final class NonNavigatable implements Navigatable {
 
   private NonNavigatable() {
   }
-
-  @Override
-  public void navigate(boolean requestFocus) {
-  }
-
-  @Override
-  public boolean canNavigate() {
-    return false;
-  }
-
-  @Override
-  public boolean canNavigateToSource() {
-    return false;
-  }
 }

platform/platform-tests/testSrc/com/intellij/structureView/TestTreeModel.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2014 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.structureView;
 
 import com.intellij.ide.projectView.PresentationData;
@@ -105,20 +91,6 @@ public class TestTreeModel implements StructureViewModel{
     public String getValue() {
       return myValue;
     }
-
-    @Override
-    public void navigate(boolean requestFocus) {
-    }
-
-    @Override
-    public boolean canNavigate() {
-      return false;
-    }
-
-    @Override
-    public boolean canNavigateToSource() {
-      return false;
-    }
   }
 
   @Override

platform/platform-tests/testSrc/com/intellij/usages/impl/UsageNodeTreeBuilderTest.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2021 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.usages.impl;
 
 import com.intellij.openapi.Disposable;
@@ -152,17 +152,6 @@ public class UsageNodeTreeBuilderTest extends LightPlatformTestCase {
       return o instanceof LogUsageGroup && myPower == ((LogUsageGroup)o).myPower;
     }
     public int hashCode() { return myPower; }
-
-    @Override
-    public void navigate(boolean requestFocus) { }
-
-    @Override
-    public boolean canNavigate() { return false; }
-
-    @Override
-    public boolean canNavigateToSource() {
-      return false;
-    }
   }
 
   private static class OddEvenGroupingRule extends SingleParentUsageGroupingRule {
@@ -172,16 +161,6 @@ public class UsageNodeTreeBuilderTest extends LightPlatformTestCase {
       @NotNull
       public String getPresentableGroupText() { return "Even"; }
 
-      @Override
-      public void navigate(boolean focus) throws UnsupportedOperationException { }
-      @Override
-      public boolean canNavigate() { return false; }
-
-      @Override
-      public boolean canNavigateToSource() {
-        return false;
-      }
-
       @Override
       public int compareTo(@NotNull UsageGroup o) { return o == ODD ? -1 : 0; }
       public String toString() { return getPresentableGroupText(); }
@@ -193,16 +172,6 @@ public class UsageNodeTreeBuilderTest extends LightPlatformTestCase {
       @NotNull
       public String getPresentableGroupText() { return "Odd"; }
 
-      @Override
-      public void navigate(boolean focus) throws UnsupportedOperationException { }
-      @Override
-      public boolean canNavigate() { return false; }
-
-      @Override
-      public boolean canNavigateToSource() {
-        return false;
-      }
-
       @Override
       public int compareTo(@NotNull UsageGroup o) { return o == EVEN ? 1 : 0; }
       @Override
@@ -280,20 +249,6 @@ public class UsageNodeTreeBuilderTest extends LightPlatformTestCase {
       return String.valueOf(myId);
     }
 
-    @Override
-    public void navigate(boolean requestFocus) {
-    }
-
-    @Override
-    public boolean canNavigate() {
-      return false;
-    }
-
-    @Override
-    public boolean canNavigateToSource() {
-      return false;
-    }
-
     @Override
     public boolean isReadOnly() {
       return false;

platform/structuralsearch/source/com/intellij/structuralsearch/plugin/ui/StructuralSearchUsageTarget.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.structuralsearch.plugin.ui;
 
 import com.intellij.navigation.ItemPresentation;
@@ -61,21 +61,6 @@ class StructuralSearchUsageTarget implements ConfigurableUsageTarget, ItemPresen
     return this;
   }
 
-  @Override
-  public void navigate(boolean requestFocus) {
-    throw new UnsupportedOperationException();
-  }
-
-  @Override
-  public boolean canNavigate() {
-    return false;
-  }
-
-  @Override
-  public boolean canNavigateToSource() {
-    return false;
-  }
-
   @Override
   public void showSettings() {
     UIUtil.invokeAction(myConfiguration, mySearchContext);

platform/structure-view-impl/src/com/intellij/ide/structureView/impl/StructureViewComposite.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 
 package com.intellij.ide.structureView.impl;
 
@@ -118,9 +118,6 @@ public class StructureViewComposite implements StructureView {
       @Override public TreeElement @NotNull [] getChildren() { return EMPTY_ARRAY;} 
       @Nullable @Override public String getPresentableText() { return null;} 
       @Nullable @Override public Icon getIcon(boolean unused) { return null;}
-      @Override public void navigate(boolean requestFocus) {} 
-      @Override public boolean canNavigate() { return false;} 
-      @Override public boolean canNavigateToSource() { return false;}
     }
     return new M();
   }

platform/usageView-impl/src/com/intellij/usages/impl/rules/UsageGroupBase.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2021 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.usages.impl.rules;
 
 import com.intellij.usages.UsageGroup;
@@ -11,20 +11,6 @@ public abstract class UsageGroupBase implements UsageGroup {
     myOrder = order;
   }
 
-  @Override
-  public void navigate(boolean focus) {
-  }
-
-  @Override
-  public boolean canNavigate() {
-    return false;
-  }
-
-  @Override
-  public boolean canNavigateToSource() {
-    return false;
-  }
-
   @Override
   public int compareTo(@NotNull UsageGroup o) {
     if (!(o instanceof UsageGroupBase)) {

platform/usageView-impl/src/com/intellij/usages/impl/rules/UsageScopeGroupingRule.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2021 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.usages.impl.rules;
 
 import com.intellij.icons.AllIcons;
@@ -97,16 +97,6 @@ class UsageScopeGroupingRule extends SingleParentUsageGroupingRule implements Du
       myCode = code;
     }
 
-    @Override
-    public void navigate(boolean focus) { }
-    @Override
-    public boolean canNavigate() { return false; }
-
-    @Override
-    public boolean canNavigateToSource() {
-      return false;
-    }
-
     @Override
     public int compareTo(@NotNull UsageGroup usageGroup) {
       return getPresentableGroupText().compareTo(usageGroup.getPresentableGroupText());

platform/usageView-impl/src/com/intellij/usages/impl/rules/UsageTypeGroupingRule.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2021 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.usages.impl.rules;
 
 import com.intellij.psi.PsiComment;
@@ -88,16 +88,6 @@ public class UsageTypeGroupingRule extends SingleParentUsageGroupingRule impleme
       return myUsageType.toString();
     }
 
-    @Override
-    public void navigate(boolean focus) { }
-    @Override
-    public boolean canNavigate() { return false; }
-
-    @Override
-    public boolean canNavigateToSource() {
-      return false;
-    }
-
     @Override
     public int compareTo(@NotNull UsageGroup usageGroup) {
       return getPresentableGroupText().compareTo(usageGroup.getPresentableGroupText());

platform/usageView/src/com/intellij/usages/impl/UsageAdapter.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2014 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.usages.impl;
 
 import com.intellij.openapi.fileEditor.FileEditorLocation;
@@ -51,19 +37,4 @@ public class UsageAdapter implements Usage {
   public void highlightInEditor() {
 
   }
-
-  @Override
-  public void navigate(final boolean requestFocus) {
-
-  }
-
-  @Override
-  public boolean canNavigate() {
-    return false;
-  }
-
-  @Override
-  public boolean canNavigateToSource() {
-    return false;
-  }
 }

platform/xdebugger-impl/src/com/intellij/xdebugger/impl/breakpoints/ui/BreakpointNoneItem.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2012 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.xdebugger.impl.breakpoints.ui;
 
 
@@ -65,20 +51,6 @@ public class BreakpointNoneItem extends BreakpointItem {
     return XDebuggerBundle.message("xbreakpoint.master.breakpoint.none");
   }
 
-  @Override
-  public void navigate(boolean requestFocus) {
-  }
-
-  @Override
-  public boolean canNavigate() {
-    return false;
-  }
-
-  @Override
-  public boolean canNavigateToSource() {
-    return false;
-  }
-
   @Override
   public String speedSearchText() {
     return null;

plugins/devkit/devkit-core/src/inspections/ExtensionPointUsageAnalyzer.kt

@@ -1,4 +1,4 @@
-// Copyright 2000-2022 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package org.jetbrains.idea.devkit.inspections
 
 import com.intellij.codeInsight.hint.HintManager
@@ -670,20 +670,13 @@ private class DummyUsageTarget(@Nls val text: String) : UsageTarget {
     }
   }
 
-  override fun canNavigate(): Boolean = false
-
   override fun getName(): String = text
 
   override fun findUsages() {
     TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
   }
 
-  override fun canNavigateToSource() = false
-
   override fun isReadOnly(): Boolean = false
 
-  override fun navigate(requestFocus: Boolean) {
-  }
-
   override fun isValid(): Boolean = true
 }

plugins/properties/properties-resource-bundle-editor/src/com/intellij/lang/properties/editor/ResourceBundleFileStructureViewElement.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 
 package com.intellij.lang.properties.editor;
 
@@ -147,19 +147,4 @@ public final class ResourceBundleFileStructureViewElement implements StructureVi
       }
     };
   }
-
-  @Override
-  public void navigate(boolean requestFocus) {
-
-  }
-
-  @Override
-  public boolean canNavigate() {
-    return false;
-  }
-
-  @Override
-  public boolean canNavigateToSource() {
-    return false;
-  }
 }

plugins/xpath/xpath-view/src/org/intellij/plugins/xpathView/XPathEvalAction.java

@@ -430,20 +430,6 @@ public class XPathEvalAction extends XPathAction {
         public ItemPresentation getPresentation() {
             return myItemPresentation;
         }
-
-        @Override
-        public void navigate(boolean requestFocus) {
-        }
-
-        @Override
-        public boolean canNavigate() {
-            return false;
-        }
-
-        @Override
-        public boolean canNavigateToSource() {
-            return false;
-        }
     }
 
     private static class MyUsageSearcher implements UsageSearcher {

xml/dom-impl/src/com/intellij/util/xml/impl/AbstractDomChildDescriptionImpl.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2022 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.util.xml.impl;
 
 import com.intellij.ide.presentation.Presentation;
@@ -125,20 +125,6 @@ public abstract class AbstractDomChildDescriptionImpl implements AbstractDomChil
     return true;
   }
 
-  @Override
-  public void navigate(boolean requestFocus) {
-  }
-
-  @Override
-  public boolean canNavigate() {
-    return false;
-  }
-
-  @Override
-  public boolean canNavigateToSource() {
-    return false;
-  }
-
   @Override
   @Nullable
   public ElementPresentationTemplate getPresentationTemplate() {

xml/dom-impl/src/com/intellij/xml/impl/dom/DomElementXmlDescriptor.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.xml.impl.dom;
 
 import com.intellij.codeInsight.daemon.impl.analysis.XmlHighlightingAwareElementDescriptor;
@@ -94,20 +94,6 @@ public class DomElementXmlDescriptor extends AbstractDomChildrenDescriptor imple
       return true;
     }
 
-    @Override
-    public void navigate(boolean requestFocus) {
-    }
-
-    @Override
-    public boolean canNavigate() {
-      return false;
-    }
-
-    @Override
-    public boolean canNavigateToSource() {
-      return false;
-    }
-
     @Override
     @NotNull
     public XmlName getXmlName() {