1 files changed, 4 insertions, 0 deletions
diff --git a/platform/diff-api/src/com/intellij/diff/chains/DiffRequestChainBase.java b/platform/diff-api/src/com/intellij/diff/chains/DiffRequestChainBase.java
index a159cb74eaf7..4dd491562f4c 100644
--- a/platform/diff-api/src/com/intellij/diff/chains/DiffRequestChainBase.java
+++ b/platform/diff-api/src/com/intellij/diff/chains/DiffRequestChainBase.java
@@ -17,6 +17,10 @@ package com.intellij.diff.chains;
 
 import com.intellij.openapi.util.UserDataHolderBase;
 
+/**
+ * @deprecated Do not use: see {@link #setIndex(int)} deprecation.
+ */
+@Deprecated
 public abstract class DiffRequestChainBase extends UserDataHolderBase implements DiffRequestChain {
   private int myIndex;