deprecate some methods

redisson/src/main/java/org/redisson/client/handler/State.java

@@ -51,9 +51,11 @@ public class State {
         return batchIndex;
     }
 
+    @Deprecated
     public <T extends DecoderState> T getDecoderState() {
         return (T) decoderState;
     }
+    @Deprecated
     public void setDecoderState(DecoderState decoderState) {
         this.decoderState = decoderState;
     }

redisson/src/main/java/org/redisson/client/protocol/decoder/DecoderState.java

@@ -20,6 +20,7 @@ package org.redisson.client.protocol.decoder;
  * @author Nikita Koksharov
  *
  */
+@Deprecated
 public interface DecoderState {
 
     DecoderState copy();

redisson/src/main/java/org/redisson/client/protocol/decoder/LongMultiDecoder.java

@@ -26,6 +26,7 @@ import org.redisson.client.protocol.Decoder;
  * @author Nikita Koksharov
  *
  */
+@Deprecated
 public class LongMultiDecoder implements MultiDecoder<Object> {
 
     @Override