code: @Deprecated
    public ChannelSftp getSftpConnection() {
      try {
        return this.getSftpChannel();
      } catch (SftpException e) {
        log.error("Failed to get new sftp channel", e);
        return null;
      }
    }
docs: The method returns a new {@link ChannelSftp} without throwing an exception. Returns a null if any exception occurs
  trying to get a new channel. The method exists for backward compatibility
  
  @deprecated use {@link #getSftpChannel()} instead.
  
  @return