deferred class
	EV_DESELECTABLE

General
	cluster: vision2.interface.properties
	description: "Abstraction for objects that may be selected/unselected."
	keywords: "deselect, deselectable, select, selected, selectable"

Ancestors
	EV_SELECTABLE

Queries
	data: ANY
	is_destroyed: BOOLEAN
	is_selectable: BOOLEAN
	is_selected: BOOLEAN

Commands
	copy (other: [like Current] EV_DESELECTABLE)
	destroy
	disable_select
	enable_select
	set_data (some_data: [like data] ANY)
	toggle

Constraints
	not selectable therefore not selected