parent $utility_objects
object $network

var $root dbref 'network
var $root child_index 0
var $root fertile 0
var $root manager $network
var $root owned [$network]
var $root owners [$network]
var $root writable []
var $root readable ['parameters, 'methods, 'code]
var $root inited 1
var $network valid_slate_callers [$]

method valid_slate_callers
    return valid_slate_callers;
.

method add_slate_caller
    arg obj;
    
    (> .perms(sender(), 'manager) <);
    valid_slate_callers = setadd(valid_slate_callers, obj);
.

method del_slate_caller
    arg obj;
    
    (> .perms(sender(), 'manager) <);
    valid_slate_callers = setremove(valid_slate_callers, obj);
.