@Override
  public List<byte[]> mget(final byte[]... keys) {
    checkIsInMultiOrPipeline();
    client.mget(keys);
    return client.getBinaryMultiBulkReply();
  }
@ Override public List < byte [ ] > mget ( final byte [ ] ... keys ) { checkIsInMultiOrPipeline ( ) ; client . mget ( keys ) ; return client . getBinaryMultiBulkReply ( ) ; }
Get the values of all the specified keys. If one or more keys don't exist or is not of type
String, a 'nil' value is returned instead of the value of the specified key, but the operation
never fails.
<p>
Time complexity: O(1) for every key
@param keys
@return Multi bulk reply