putting things back

Author: igormq

spring-kafka/src/main/java/org/springframework/kafka/listener/KafkaMessageListenerContainer.java

@@ -680,16 +680,16 @@ private final class ListenerConsumer implements SchedulingAwareRunnable, Consume
 
 		private final @Nullable CommonErrorHandler commonErrorHandler;
 
+		@Deprecated(since = "3.2", forRemoval = true)
 		@SuppressWarnings("removal")
 		private final @Nullable PlatformTransactionManager transactionManager =
 				this.containerProperties.getKafkaAwareTransactionManager() != null ?
 						this.containerProperties.getKafkaAwareTransactionManager() :
 						this.containerProperties.getTransactionManager();
 
 		private final @Nullable KafkaAwareTransactionManager<?, ?> kafkaTxManager =
-				this.transactionManager instanceof KafkaAwareTransactionManager
-						? (KafkaAwareTransactionManager<?, ?>) this.transactionManager
-						: null;
+				this.transactionManager instanceof KafkaAwareTransactionManager<?, ?> kafkaAwareTransactionManager ?
+						kafkaAwareTransactionManager : null;
 
 		private final @Nullable TransactionTemplate transactionTemplate;