docs: def _print_help(self):
          """Custom help message to group commands by functionality."""
          msg = """Commands (type help <command> for details)
  
  CLI:                     help history exit quit
  Session, General:        set load save reset
  Session, Access Control: allowaccess denyaccess clearaccess
  Session, Replication:    allowrep denyrep preferrep blockrep
                           removerep numberrep clearrep
  Read Operations:         get meta list log resolve
  Write Operations:        update create package archive
                           updateaccess updatereplication
  Utilities:               listformats listnodes search ping
  Write Operation Queue:   queue run edit clearqueue
  
  Command History:         Arrow Up, Arrow Down
  Command Editing:         Arrow Left, Arrow Right, Delete
          """
          if platform.system() != "Windows":
              msg += """Command Completion:      Single Tab: Complete unique command
                           Double Tab: Display possible commands
              """
          d1_cli.impl.util.print_info(msg)