fixed merge created issue

two methods got removed after merge and did not realise.

src/main/java/org/redisson/client/RedisClient.java

@@ -37,9 +37,12 @@ import io.netty.channel.nio.NioEventLoopGroup;
 import io.netty.channel.socket.SocketChannel;
 import io.netty.channel.socket.nio.NioSocketChannel;
 import io.netty.util.concurrent.Future;
+import io.netty.util.concurrent.GenericFutureListener;
 import io.netty.util.concurrent.GlobalEventExecutor;
 import io.netty.util.concurrent.ImmediateEventExecutor;
 import io.netty.util.concurrent.Promise;
+import java.util.Map;
+import org.redisson.client.protocol.RedisCommands;
 
 public class RedisClient {
 
@@ -150,6 +153,37 @@ public class RedisClient {
         return channels.close();
     }
 
+    /**
+     * Execute INFO SERVER operation.
+     *
+     * @return Map extracted from each response line splitting by ':' symbol
+     */
+    public Map<String, String> serverInfo() {
+        try {
+            return serverInfoAsync().sync().get();
+        } catch (Exception e) {
+            throw new RedisConnectionException("Unable to retrieve server into from: " + addr, e);
+        }
+    }
+
+    /**
+     * Asynchronously execute INFO SERVER operation.
+     *
+     * @return A future for a map extracted from each response line splitting by
+     * ':' symbol
+     */
+    public Future<Map<String, String>> serverInfoAsync() {
+        final RedisConnection connection = connect();
+        Promise<Map<String, String>> async = (Promise) connection.async(RedisCommands.SERVER_INFO);
+        async.addListener(new GenericFutureListener<Promise<Map<String, String>>>() {
+            @Override
+            public void operationComplete(Promise<Map<String, String>> future) throws Exception {
+                connection.closeAsync();
+            }
+        });
+        return async;
+    }
+
     @Override
     public String toString() {
         return "[addr=" + addr + "]";