code: private boolean processBulkReply(ByteBuf in) {
          int length = lineLength();
          if (length == 0) {
              return false;
          }
          in.skipBytes(length);
  
          int numBytes = readInt(length - 2); // 2 == \r\n
          if (numBytes == -1) {
              return true;
          }
          
          if (in.readableBytes() < numBytes + 2) {
              return false;
          }
          
          in.skipBytes(numBytes + 2);
  
          return true;
      }
docs: Process bulk reply.
  
  @param is the is
  @return the byte[]