Address PR comment

Signed-off-by: Rishabh Maurya <[email protected]>

Author: rishabhmaurya

server/src/main/java/org/opensearch/transport/OutboundHandler.java

@@ -75,15 +75,15 @@ void sendBytes(TcpChannel channel, BytesReference bytes, ActionListener<Void> li
         }
     }
 
-    public void sendBytes(long requestId, TcpChannel channel, SendContext sendContext) throws IOException {
+    public void sendBytes(long reqId, TcpChannel channel, SendContext sendContext) throws IOException {
         channel.getChannelStats().markAccessed(threadPool.relativeTimeInMillis());
         BytesReference reference = sendContext.get();
         // stash thread context so that channel event loop is not polluted by thread context
         try (ThreadContext.StoredContext existing = threadPool.getThreadContext().stashContext()) {
-            if (requestId == -1) {
+            if (reqId == -1) {
                 channel.sendMessage(reference, sendContext);
             } else {
-                channel.sendMessage(requestId, reference, sendContext);
+                channel.sendMessage(reqId, reference, sendContext);
             }
         } catch (RuntimeException ex) {
             sendContext.onFailure(ex);