Throw UnsupportedOperationExceptions for getLastUnsafeSegmentGenerationForGets

Author: arteam

server/src/main/java/org/elasticsearch/index/engine/Engine.java

@@ -2346,4 +2346,8 @@ public record FlushResult(boolean flushPerformed, long generation) {
     public void prepareForEngineReset() throws IOException {
         throw new UnsupportedOperationException("does not support engine reset");
     }
+
+    public long getLastUnsafeSegmentGenerationForGets() {
+        throw new UnsupportedOperationException("Doesn't support getting the latest segment generation");
+    }
 }

server/src/main/java/org/elasticsearch/index/engine/ReadOnlyEngine.java

@@ -636,8 +636,4 @@ public String getSearcherId() {
     public final String getCommitId() {
         return commitId;
     }
-
-    public long getLastUnsafeSegmentGenerationForGets() {
-        return -1;
-    }
 }