consulo · VISTALL · Jan 11, 2026 · Jan 11, 2026 · Jan 11, 2026
diff --git a/...ain/java/com/intellij/java/analysis/impl/codeInsight/daemon/impl/actions/SuppressFix.java b/...ain/java/com/intellij/java/analysis/impl/codeInsight/daemon/impl/actions/SuppressFix.java
@@ -51,11 +51,10 @@ public SuppressFix(@Nonnull String ID) {
     super(ID, false);
   }
 
-  @Override
   @Nonnull
+  @Override
   public LocalizeValue getText() {
-    LocalizeValue text = super.getText();
-    return text == LocalizeValue.of() ? LocalizeValue.localizeTODO("Suppress for member") : text;
+    return super.getText().orIfEmpty(LocalizeValue.localizeTODO("Suppress for member"));
   }
 
   @Override

diff --git a/...ntellij/java/analysis/impl/codeInsight/daemon/impl/analysis/AnnotationsHighlightUtil.java b/...ntellij/java/analysis/impl/codeInsight/daemon/impl/analysis/AnnotationsHighlightUtil.java
@@ -257,7 +257,7 @@ else if (isAnnotationRepeatedTwice(owner, annotationType.getQualifiedName())) {
             }
 
             LocalizeValue explanation = doCheckRepeatableAnnotation(metaAnno);
-            if (explanation != LocalizeValue.empty()) {
+            if (explanation.isNotEmpty()) {
                 return HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
                     .range(element)
                     .descriptionAndTooltip(JavaCompilationErrorLocalize.annotationDuplicateExplained(explanation));
@@ -676,7 +676,7 @@ public static HighlightInfo.Builder checkFunctionalInterface(@Nonnull PsiAnnotat
                 psiClass,
                 JavaCompilationErrorLocalize.lambdaNotAFunctionalInterface(psiClass.getName())
             );
-            if (errorMessage != LocalizeValue.empty()) {
+            if (errorMessage.isNotEmpty()) {
                 return HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
                     .range(annotation)
                     .descriptionAndTooltip(errorMessage);
@@ -694,7 +694,7 @@ public static HighlightInfo.Builder checkRepeatableAnnotation(PsiAnnotation anno
         }
 
         LocalizeValue description = doCheckRepeatableAnnotation(annotation);
-        if (description != LocalizeValue.empty()) {
+        if (description.isNotEmpty()) {
             PsiAnnotationMemberValue containerRef = PsiImplUtil.findAttributeValue(annotation, null);
             if (containerRef != null) {
                 return HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)

diff --git a/...m/intellij/java/analysis/impl/codeInsight/daemon/impl/analysis/GenericsHighlightUtil.java b/...m/intellij/java/analysis/impl/codeInsight/daemon/impl/analysis/GenericsHighlightUtil.java
@@ -178,7 +178,7 @@ && detectExpectedType(referenceParameterList) instanceof PsiClassType expectedCl
                 description = JavaCompilationErrorLocalize.typeParameterCountMismatch(refParametersNum, targetParametersNum);
             }
 
-            if (description != LocalizeValue.empty()) {
+            if (description.isNotEmpty()) {
                 HighlightInfo.Builder hlBuilder = HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
                     .range(referenceParameterList)
                     .descriptionAndTooltip(description);
@@ -1764,10 +1764,10 @@ public static HighlightInfo.Builder areSupersAccessible(@Nonnull PsiClass aClass
                 PsiSubstitutor substitutor = resolveResult.getSubstitutor();
 
                 message = isSuperTypeAccessible(substitutor.substitute(method.getReturnType()), classes, false, resolveScope, facade);
-                if (message == LocalizeValue.empty()) {
+                if (message.isEmpty()) {
                     for (PsiType type : method.getSignature(substitutor).getParameterTypes()) {
                         message = isSuperTypeAccessible(type, classes, false, resolveScope, facade);
-                        if (message != LocalizeValue.empty()) {
+                        if (message.isNotEmpty()) {
                             break;
                         }
                     }
@@ -1784,7 +1784,7 @@ else if (ref.resolve() instanceof PsiField field) {
             );
         }
 
-        if (message != LocalizeValue.empty()) {
+        if (message.isNotEmpty()) {
             return HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
                 .descriptionAndTooltip(message)
                 .range(ref.getTextRange());
@@ -1804,7 +1804,7 @@ private static HighlightInfo.Builder areSupersAccessible(
         for (PsiClassType superType : aClass.getSuperTypes()) {
             LocalizeValue notAccessibleErrorMessage =
                 isSuperTypeAccessible(superType, new HashSet<>(), checkParameters, resolveScope, factory);
-            if (notAccessibleErrorMessage != LocalizeValue.empty()) {
+            if (notAccessibleErrorMessage.isNotEmpty()) {
                 return HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
                     .descriptionAndTooltip(notAccessibleErrorMessage)
                     .range(range);
@@ -1843,15 +1843,15 @@ private static LocalizeValue isSuperTypeAccessible(
                 if (superType instanceof PsiClassType classType) {
                     for (PsiType psiType : classType.getParameters()) {
                         LocalizeValue notAccessibleMessage = isSuperTypeAccessible(psiType, classes, true, resolveScope, factory);
-                        if (notAccessibleMessage != LocalizeValue.empty()) {
+                        if (notAccessibleMessage.isNotEmpty()) {
                             return notAccessibleMessage;
                         }
                     }
                 }
 
                 for (PsiClassType type : aClass.getSuperTypes()) {
                     LocalizeValue notAccessibleMessage = isSuperTypeAccessible(type, classes, !isInLibrary, resolveScope, factory);
-                    if (notAccessibleMessage != LocalizeValue.empty()) {
+                    if (notAccessibleMessage.isNotEmpty()) {
                         return notAccessibleMessage;
                     }
                 }

diff --git a/...com/intellij/java/analysis/impl/codeInsight/daemon/impl/analysis/HighlightMethodUtil.java b/...com/intellij/java/analysis/impl/codeInsight/daemon/impl/analysis/HighlightMethodUtil.java
@@ -551,7 +551,7 @@ else if (candidateInfo != null && !candidateInfo.isApplicable()) {
                     LocalizeValue toolTip;
                     if (parent instanceof PsiClass) {
                         toolTip = buildOneLineMismatchDescription(list, candidateInfo, elementToHighlight);
-                        if (toolTip == LocalizeValue.empty()) {
+                        if (toolTip.isEmpty()) {
                             toolTip = createMismatchedArgumentsHtmlTooltip(candidateInfo, list);
                         }
                     }
@@ -1829,27 +1829,27 @@ public static HighlightInfo.Builder checkOverrideEquivalentInheritedMethods(
                 continue;
             }
 
-            if (description == LocalizeValue.empty()) {
+            if (description.isEmpty()) {
                 highlightInfo = checkMethodIncompatibleThrows(signature, superSignatures, false, aClass);
                 if (highlightInfo != null) {
                     description = highlightInfo.getDescription();
                 }
             }
 
-            if (description == LocalizeValue.empty()) {
+            if (description.isEmpty()) {
                 HighlightInfo.Builder hlBuilder = checkMethodWeakerPrivileges(signature, superSignatures, false, containingFile);
                 highlightInfo = hlBuilder == null ? null : hlBuilder.create();
                 if (highlightInfo != null) {
                     description = highlightInfo.getDescription();
                 }
             }
 
-            if (description != LocalizeValue.empty()) {
+            if (description.isNotEmpty()) {
                 break;
             }
         }
 
-        if (description != LocalizeValue.empty()) {
+        if (description.isNotEmpty()) {
             // show error info at the class level
             HighlightInfo.Builder hlBuilder = HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
                 .range(HighlightNamesUtil.getClassDeclarationTextRange(aClass))

diff --git a/.../java/com/intellij/java/analysis/impl/codeInsight/daemon/impl/analysis/HighlightUtil.java b/.../java/com/intellij/java/analysis/impl/codeInsight/daemon/impl/analysis/HighlightUtil.java
@@ -3831,7 +3831,7 @@ private static LocalizeValue getUnsupportedFeatureMessage(PsiElement element, Ja
                         if (pusher instanceof JavaLanguageLevelPusher languageLevelPusher) {
                             LocalizeValue newMessage =
                                 languageLevelPusher.getInconsistencyLanguageLevelMessage(message, element, level, file);
-                            if (newMessage != LocalizeValue.empty()) {
+                            if (newMessage.isNotEmpty()) {
                                 return newMessage;
                             }
                         }

diff --git a/...om/intellij/java/analysis/impl/codeInsight/daemon/impl/analysis/HighlightVisitorImpl.java b/...om/intellij/java/analysis/impl/codeInsight/daemon/impl/analysis/HighlightVisitorImpl.java
@@ -392,7 +392,7 @@ public void visitLambdaExpression(@Nonnull PsiLambdaExpression expression) {
             functionalInterfaceType = expression.getFunctionalInterfaceType();
             if (functionalInterfaceType != null) {
                 LocalizeValue notFunctionalMessage = LambdaHighlightingUtil.checkInterfaceFunctional(functionalInterfaceType);
-                if (notFunctionalMessage != LocalizeValue.empty()) {
+                if (notFunctionalMessage.isNotEmpty()) {
                     myHolder.add(HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
                         .range(expression)
                         .descriptionAndTooltip(notFunctionalMessage)
@@ -1760,7 +1760,7 @@ public void visitMethodReferenceExpression(@Nonnull PsiMethodReferenceExpression
 
         if (!myHolder.hasErrorResults() && functionalInterfaceType != null) {
             LocalizeValue errorMessage = PsiMethodReferenceUtil.checkMethodReferenceContext(expression);
-            if (errorMessage != LocalizeValue.empty()) {
+            if (errorMessage.isNotEmpty()) {
                 HighlightInfo.Builder info = HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
                     .range(expression)
                     .descriptionAndTooltip(errorMessage);
@@ -1785,7 +1785,7 @@ public void visitMethodReferenceExpression(@Nonnull PsiMethodReferenceExpression
             }
             else {
                 LocalizeValue wildcardMessage = PsiMethodReferenceUtil.checkTypeArguments(typeElem, psiType);
-                if (wildcardMessage != LocalizeValue.empty()) {
+                if (wildcardMessage.isNotEmpty()) {
                     add(
                         HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
                             .range(typeElem)
@@ -1805,7 +1805,7 @@ public void visitMethodReferenceExpression(@Nonnull PsiMethodReferenceExpression
 
         if (!myHolder.hasErrorResults()) {
             LocalizeValue badReturnTypeMessage = PsiMethodReferenceUtil.checkReturnType(expression, result, functionalInterfaceType);
-            if (badReturnTypeMessage != LocalizeValue.empty()) {
+            if (badReturnTypeMessage.isNotEmpty()) {
                 myHolder.add(HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
                     .range(expression)
                     .descriptionAndTooltip(badReturnTypeMessage)

diff --git a/.../intellij/java/analysis/impl/codeInsight/daemon/impl/analysis/LambdaHighlightingUtil.java b/.../intellij/java/analysis/impl/codeInsight/daemon/impl/analysis/LambdaHighlightingUtil.java
@@ -108,7 +108,7 @@ public static LocalizeValue checkInterfaceFunctional(PsiType functionalInterface
         if (functionalInterfaceType instanceof PsiIntersectionType) {
             Set<MethodSignature> signatures = new HashSet<>();
             for (PsiType type : ((PsiIntersectionType) functionalInterfaceType).getConjuncts()) {
-                if (checkInterfaceFunctional(type) == LocalizeValue.empty()) {
+                if (checkInterfaceFunctional(type).isEmpty()) {
                     MethodSignature signature = LambdaUtil.getFunction(PsiUtil.resolveClassInType(type));
                     LOG.assertTrue(signature != null, type.getCanonicalText());
                     signatures.add(signature);

diff --git a/...va/com/intellij/java/analysis/impl/codeInsight/daemon/impl/quickfix/DeleteElementFix.java b/...va/com/intellij/java/analysis/impl/codeInsight/daemon/impl/quickfix/DeleteElementFix.java
@@ -33,7 +33,7 @@ public class DeleteElementFix extends LocalQuickFixAndIntentionActionOnPsiElemen
 
   public DeleteElementFix(@Nonnull PsiElement element) {
     super(element);
-    myText = LocalizeValue.of();
+    myText = LocalizeValue.empty();
   }
 
   public DeleteElementFix(@Nonnull PsiElement element, @Nonnull LocalizeValue text) {
@@ -44,7 +44,7 @@ public DeleteElementFix(@Nonnull PsiElement element, @Nonnull LocalizeValue text
   @Nonnull
   @Override
   public LocalizeValue getText() {
-    return myText == LocalizeValue.of() ? JavaQuickFixLocalize.deleteElementFixText() : myText;
+    return myText.orIfEmpty(JavaQuickFixLocalize.deleteElementFixText());
   }
 
   @Override

diff --git a/...ij/java/analysis/impl/codeInsight/daemon/impl/quickfix/QualifyThisOrSuperArgumentFix.java b/...ij/java/analysis/impl/codeInsight/daemon/impl/quickfix/QualifyThisOrSuperArgumentFix.java
@@ -39,8 +39,7 @@ public abstract class QualifyThisOrSuperArgumentFix implements SyntheticIntentio
   protected static final Logger LOG = Logger.getInstance(QualifyThisOrSuperArgumentFix.class);
   protected final PsiExpression myExpression;
   protected final PsiClass myPsiClass;
-  private LocalizeValue myText = LocalizeValue.of();
-
+  private LocalizeValue myText = LocalizeValue.empty();
 
   public QualifyThisOrSuperArgumentFix(@Nonnull PsiExpression expression, @Nonnull PsiClass psiClass) {
     myExpression = expression;

diff --git a/...src/main/java/com/intellij/java/analysis/impl/codeInspection/dataFlow/TrackingRunner.java b/...src/main/java/com/intellij/java/analysis/impl/codeInspection/dataFlow/TrackingRunner.java
@@ -882,7 +882,7 @@ else if (operand instanceof PsiReferenceExpression operandRefExpr) {
                 }
             }
             LocalizeValue explanation = LocalizeValue.ofNullable(constraint.getAssignabilityExplanation(wanted, isInstance, name.get()));
-            if (explanation != LocalizeValue.empty()) {
+            if (explanation.isNotEmpty()) {
                 if (constraint.equals(wanted)) {
                     explanation = JavaAnalysisLocalize.dfaFindCauseTypeKnown(name, constraint.toShortString());
                 }
@@ -897,7 +897,7 @@ else if (operand instanceof PsiReferenceExpression operandRefExpr) {
             isInstance,
             JavaAnalysisLocalize.dfaFindCauseObjectKindGeneric().get()
         ));
-        while (explanation != LocalizeValue.empty()) {
+        while (explanation.isNotEmpty()) {
             MemoryStateChange causeLocation = fact.myChange;
             if (causeLocation == null) {
                 break;
@@ -913,7 +913,7 @@ else if (operand instanceof PsiReferenceExpression operandRefExpr) {
                 isInstance,
                 JavaAnalysisLocalize.dfaFindCauseObjectKindGeneric().get()
             ));
-            if (prevExplanation == LocalizeValue.empty()) {
+            if (prevExplanation.isEmpty()) {
                 if (causeLocation.myInstruction instanceof AssignInstruction assignInsn && causeLocation.myTopOfStack == operandValue) {
                     PsiExpression rExpression = assignInsn.getRExpression();
                     if (rExpression != null) {
@@ -1258,7 +1258,7 @@ private CauseItem findNullabilityCause(MemoryStateChange factUse, DfaNullability
         MemoryStateChange factDef = info.myFact == nullability ? info.myChange : null;
         if (nullability == DfaNullability.NOT_NULL) {
             LocalizeValue explanation = getObviouslyNonNullExplanation(expression);
-            if (explanation != LocalizeValue.empty()) {
+            if (explanation.isNotEmpty()) {
                 return new CauseItem(JavaAnalysisLocalize.dfaFindCauseObviouslyNonNullExpression(explanation), expression);
             }
             if (factDef != null) {

diff --git a/...a/com/intellij/java/analysis/impl/codeInspection/equalsAndHashcode/EqualsAndHashcode.java b/...a/com/intellij/java/analysis/impl/codeInspection/equalsAndHashcode/EqualsAndHashcode.java
@@ -145,7 +145,7 @@ public LocalizeValue getDisplayName() {
     @Nonnull
     @Override
     public LocalizeValue getGroupDisplayName() {
-        return LocalizeValue.of();
+        return LocalizeValue.empty();
     }
 
     @Nonnull

diff --git a/java-analysis-impl/test/com/siyeh/igtest/style/One.java b/java-analysis-impl/test/com/siyeh/igtest/style/One.java
@@ -20,15 +20,16 @@ protected String buildErrorString(Object... infos) {
         return null;
     }
 
+    @Nonnull
+    @Override
     public LocalizeValue getDisplayName() {
-        return LocalizeValue.of();
+        return LocalizeValue.empty();
     }
 
     private static class Inner {
         private static boolean test() {
             return false;
         }
-
     }
 }
 class TestVariableScope {

diff --git a/java-debugger-impl/src/main/java/com/intellij/java/debugger/impl/DebuggerSession.java b/java-debugger-impl/src/main/java/com/intellij/java/debugger/impl/DebuggerSession.java
@@ -307,7 +307,7 @@ public LocalizeValue getStateDescription() {
             case DISPOSED:
                 return JavaDebuggerLocalize.statusDebugStopped();
         }
-        return LocalizeValue.of();
+        return LocalizeValue.empty();
     }
 
     /* Stepping */

diff --git a/...-debugger-impl/src/main/java/com/intellij/java/debugger/impl/engine/JavaDebugProcess.java b/...-debugger-impl/src/main/java/com/intellij/java/debugger/impl/engine/JavaDebugProcess.java
@@ -510,7 +510,7 @@ public NodeManagerImpl getNodeManager() {
     @Override
     public LocalizeValue getCurrentStateMessage() {
         LocalizeValue description = myJavaSession.getStateDescription();
-        return description != LocalizeValue.empty() ? description : super.getCurrentStateMessage();
+        return description.isNotEmpty() ? description : super.getCurrentStateMessage();
     }
 
     @Nullable

diff --git a/.../main/java/com/intellij/java/debugger/impl/settings/NewDebuggerLaunchingConfigurable.java b/.../main/java/com/intellij/java/debugger/impl/settings/NewDebuggerLaunchingConfigurable.java
@@ -53,14 +53,11 @@ protected Component createLayout(@Nonnull PropertyBuilder propertyBuilder,
                 return LocalizeValue.empty();
             }
 
-            switch (value) {
-                case DebuggerSettings.SOCKET_TRANSPORT:
-                    return JavaDebuggerLocalize.transportNameSocket();
-                case DebuggerSettings.SHMEM_TRANSPORT:
-                    return JavaDebuggerLocalize.transportNameSharedMemory();
-                default:
-                    return LocalizeValue.of(String.valueOf(value));
-            }
+            return switch (value) {
+                case DebuggerSettings.SOCKET_TRANSPORT -> JavaDebuggerLocalize.transportNameSocket();
+                case DebuggerSettings.SHMEM_TRANSPORT -> JavaDebuggerLocalize.transportNameSharedMemory();
+                default -> LocalizeValue.of(String.valueOf(value));
+            };
         });
         layout.add(LabeledBuilder.sided(JavaDebuggerLocalize.labelDebuggerLaunchingConfigurableDebuggerTransport(), transportBox));
         propertyBuilder.add(transportBox, () -> settings.DEBUGGER_TRANSPORT, it -> settings.DEBUGGER_TRANSPORT = it);

diff --git a/...pl/src/main/java/com/intellij/java/debugger/impl/ui/impl/watch/DefaultNodeDescriptor.java b/...pl/src/main/java/com/intellij/java/debugger/impl/ui/impl/watch/DefaultNodeDescriptor.java
@@ -13,37 +13,42 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
-/*
- * @author Eugene Zhuravlev
- */
 package com.intellij.java.debugger.impl.ui.impl.watch;
 
 import com.intellij.java.debugger.impl.engine.evaluation.EvaluationContextImpl;
 import com.intellij.java.debugger.impl.ui.tree.render.DescriptorLabelListener;
 import consulo.localize.LocalizeValue;
 import consulo.logging.Logger;
+import jakarta.annotation.Nonnull;
 
-
+/**
+ * @author Eugene Zhuravlev
+ */
 public final class DefaultNodeDescriptor extends NodeDescriptorImpl{
   private static final Logger LOG = Logger.getInstance(DefaultNodeDescriptor.class);
-  public boolean equals(Object obj) {
-    return obj instanceof DefaultNodeDescriptor;
-  }
-
-  public int hashCode() {
-    return 0;
-  }
-
-  public boolean isExpandable() {
-    return true;
-  }
-
-  public void setContext(EvaluationContextImpl context) {
-  }
-
-  protected LocalizeValue calcRepresentation(EvaluationContextImpl context, DescriptorLabelListener labelListener) {
-    LOG.assertTrue(false);
-    return LocalizeValue.of();
-  }
+    @Override
+    public boolean equals(Object obj) {
+        return obj instanceof DefaultNodeDescriptor;
+    }
+
+    @Override
+    public int hashCode() {
+        return 0;
+    }
+
+    @Override
+    public boolean isExpandable() {
+        return true;
+    }
+
+    @Override
+    public void setContext(EvaluationContextImpl context) {
+    }
+
+    @Nonnull
+    @Override
+    protected LocalizeValue calcRepresentation(EvaluationContextImpl context, DescriptorLabelListener labelListener) {
+        LOG.assertTrue(false);
+        return LocalizeValue.empty();
+    }
 }
diff --git a/java-intellilang/src/main/java/consulo/java/impl/intelliLang/ui/AdvancedSettingsUI.java b/java-intellilang/src/main/java/consulo/java/impl/intelliLang/ui/AdvancedSettingsUI.java
@@ -83,6 +83,7 @@ public void disposeUIResources() {
     myPanel = null;
   }
 
+  @Nonnull
   @Override
   public LocalizeValue getDisplayName() {
     return LocalizeValue.localizeTODO("Advanced");