@@ -53,14 +53,23 @@ static void executeSqlWithCustomTimeoutAndRetrySettings(
 .setRetrySettings(
 RetrySettings.newBuilder()
 // Configure retry delay settings.
+// The initial amount of time to wait before retrying the request.
 .setInitialRetryDelay(Duration.ofMillis(500))
+// The maximum amount of time to wait before retrying. I.e. after this value is
+// reached, the wait time will not increase further by the multiplier.
 .setMaxRetryDelay(Duration.ofSeconds(64))
+// The previous wait time is multiplied by this multiplier to come up with the next
+// wait time, until the max is reached.
 .setRetryDelayMultiplier(1.5)
 
 // Configure RPC and total timeout settings.
+// Timeout for the first RPC call. Subsequent retries will be based off this value.
 .setInitialRpcTimeout(Duration.ofSeconds(60))
+// The max for the per RPC timeout.
 .setMaxRpcTimeout(Duration.ofSeconds(60))
+// Controls the change of timeout for each retry.
 .setRpcTimeoutMultiplier(1.0)
+// The timeout for all calls (first call + all retries).
 .setTotalTimeout(Duration.ofSeconds(60))
 .build());
 // Create a Spanner client using the custom retry and timeout settings.