Обладая framehandle можно ли узнать, что лежит внутри?

    function _runActios(pl: jplayer, event: 'SELECT' | 'DESELECT'){
        let u = GetTriggerUnit()
        let gr = _groups.get(pl)
        if (!gr || !u){return}

        let found = gr.indexOf(u)

        if (_lock){
            if (found < 0 && pl == GetLocalPlayer()){
                SelectUnit(u, event == 'DESELECT')
            }
        } else {
            if (event == 'SELECT' && found < 0){
                gr.push(u)
            } else if (event == 'DESELECT' && found >= 0){
                gr.splice(found, 1)
            }
            _actions.run(pl, Object.assign([], gr))
        }
    }

    function _checkDied(this: void){
        let u = GetTriggerUnit()

        for (let [pl, gr] of _groups){
            if (gr.indexOf(u) >= 0){_runActios(pl, 'DESELECT')}
        }
    }
		...
        _trigger_select = CreateTrigger()
        _trigger_deselect = CreateTrigger()
        _trigger_died = CreateTrigger()
        TriggerAddAction(_trigger_select, (() => {_runActios(GetTriggerPlayer(), 'SELECT')}))
        TriggerAddAction(_trigger_deselect, (() => {_runActios(GetTriggerPlayer(), 'DESELECT')}))
        TriggerAddAction(_trigger_died, _checkDied)

        for (let i = 0; i < bj_MAX_PLAYER_SLOTS; i++){
            let pl = Player(i)
            if (GetPlayerController(pl) == MAP_CONTROL_USER &&
                GetPlayerSlotState(pl) == PLAYER_SLOT_STATE_PLAYING){

                _groups.set(pl, [])
                TriggerRegisterPlayerUnitEvent(_trigger_select, pl, EVENT_PLAYER_UNIT_SELECTED)
                TriggerRegisterPlayerUnitEvent(_trigger_deselect, pl, EVENT_PLAYER_UNIT_DESELECTED)
                TriggerRegisterPlayerUnitEvent(_trigger_died, pl, EVENT_PLAYER_UNIT_DEATH)
            } 
        }
		...