code: func cmdListACL(params Parameters) *subcommands.Command {
  	return &subcommands.Command{
  		Advanced:  true,
  		UsageLine: "acl-list <package subpath>",
  		ShortDesc: "lists package path Access Control List",
  		LongDesc:  "Lists package path Access Control List.",
  		CommandRun: func() subcommands.CommandRun {
  			c := &listACLRun{}
  			c.registerBaseFlags()
  			c.clientOptions.registerFlags(&c.Flags, params, withoutRootDir)
  			return c
  		},
  	}
  }
docs: ////////////////////////////////////////////////////////////////////////////////
  // 'acl-list' subcommand.