sftp_connect            Create an 'SFTPConn' R6 object that contains
                        important connection information safely
sftp_delete             Delete Files or Directories from SFTP Server
sftp_download           Download Files from SFTP Server
sftp_list               List and Crawl SFTP Directory Contents
sftp_mkdir              Create Remote Directories in SFTP
sftp_rename             Rename or Move Remote SFTP Resources
sftp_upload             Upload a file to an SFTP server
