docs: protected FtpMessage createDir(CommandType ftpCommand) {
          try {
              sftp.mkdir(ftpCommand.getArguments());
              return FtpMessage.result(FTPReply.PATHNAME_CREATED, "Pathname created", true);
          } catch (SftpException e) {
              throw new CitrusRuntimeException("Failed to execute ftp command", e);
          }
      }