From 3d04daabc9c9df2fadc968d1129635f9faddd0cd Mon Sep 17 00:00:00 2001
From: Alexey Kudravtsev <Alexey.Kudravtsev@jetbrains.com>
Date: Tue, 13 Jan 2026 12:22:12 +0100
Subject: [PATCH] (part of IJPL-222955) cleanup: avoid negative named methods

GitOrigin-RevId: 302f2b836b4a4452702d2904cb07516b3deeab80
---
 .../folding/impl/CodeFoldingManagerImpl.java   | 18 +++++++++++++-----
 .../folding/impl/DocumentFoldingInfo.java      |  8 ++++++--
 2 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/platform/foldings/src/com/intellij/codeInsight/folding/impl/CodeFoldingManagerImpl.java b/platform/foldings/src/com/intellij/codeInsight/folding/impl/CodeFoldingManagerImpl.java
index c7cb41ff7ec5..a684088f53e5 100644
--- a/platform/foldings/src/com/intellij/codeInsight/folding/impl/CodeFoldingManagerImpl.java
+++ b/platform/foldings/src/com/intellij/codeInsight/folding/impl/CodeFoldingManagerImpl.java
@@ -53,7 +53,7 @@ public final class CodeFoldingManagerImpl extends CodeFoldingManager implements
   private static final Key<Map<TextRange, Boolean>> ASYNC_FOLDING_CACHE_KEY = Key.create("ASYNC_FOLDING_CACHE");
   private static final Key<Boolean> AUTO_CREATED_KEY = Key.create("AUTO_CREATED");
   private static final Key<Boolean> FRONTEND_CREATED_KEY = Key.create("FRONTEND_CREATED");
-  private static final Key<Boolean> NOT_PERSISTENT = Key.create("NOT_PERSISTENT");
+  private static final Key<Boolean> TRANSIENT_KEY = Key.create("TRANSIENT");
 
   private final Project myProject;
   private final Collection<Document> myDocumentsWithFoldingInfo = new WeakList<>();
@@ -229,12 +229,20 @@ public final class CodeFoldingManagerImpl extends CodeFoldingManager implements
   }
 
   /// Do not store the folding region in user config
-  public static void markAsNotPersistent(@NotNull FoldRegion region) {
-    NOT_PERSISTENT.set(region, true);
+  public static void markTransient(@NotNull FoldRegion region) {
+    TRANSIENT_KEY.set(region, true);
   }
 
-  static boolean isNotPersistent(@Nullable FoldRegion region) {
-    return NOT_PERSISTENT.isIn(region);
+  /**
+   * @deprecated use {@link #markTransient(FoldRegion)}
+   */
+  @Deprecated
+  public static void markAsNotPersistent(@NotNull FoldRegion region) {
+    markTransient(region);
+  }
+
+  static boolean isTransient(@Nullable FoldRegion region) {
+    return TRANSIENT_KEY.isIn(region);
   }
 
   public static Map<TextRange, Boolean> getAsyncExpandStatusMap(@Nullable Editor editor) {
diff --git a/platform/foldings/src/com/intellij/codeInsight/folding/impl/DocumentFoldingInfo.java b/platform/foldings/src/com/intellij/codeInsight/folding/impl/DocumentFoldingInfo.java
index f5525b5b40e6..25c4f8ff5fc6 100644
--- a/platform/foldings/src/com/intellij/codeInsight/folding/impl/DocumentFoldingInfo.java
+++ b/platform/foldings/src/com/intellij/codeInsight/folding/impl/DocumentFoldingInfo.java
@@ -68,10 +68,14 @@ final class DocumentFoldingInfo implements CodeFoldingState {
 
     FoldRegion[] foldRegions = editor.getFoldingModel().getAllFoldRegions();
     for (FoldRegion region : foldRegions) {
-      if (!region.isValid() || region.shouldNeverExpand() || CodeFoldingManagerImpl.isNotPersistent(region)) continue;
+      if (!region.isValid() || region.shouldNeverExpand() || CodeFoldingManagerImpl.isTransient(region)) {
+        continue;
+      }
       boolean expanded = region.isExpanded();
       String signature = region.getUserData(UpdateFoldRegionsOperation.SIGNATURE);
-      if (Strings.areSameInstance(signature, UpdateFoldRegionsOperation.NO_SIGNATURE)) continue;
+      if (Strings.areSameInstance(signature, UpdateFoldRegionsOperation.NO_SIGNATURE)) {
+        continue;
+      }
       Boolean storedCollapseByDefault = CodeFoldingManagerImpl.getCollapsedByDef(region);
       boolean collapseByDefault = storedCollapseByDefault != null && storedCollapseByDefault &&
                                   !FoldingUtil.caretInsideRange(editor, region.getTextRange());