    deferred class
    	EV_SPLIT_AREA_IMP

    Ancestors
    	EV_CONTAINER_IMP*
    	EV_SPLIT_AREA_I*
    	EV_SYSTEM_PEN_IMP
    	EV_WEL_CONTROL_CONTAINER_IMP*
    	WEL_ROP2_CONSTANTS

    Descendants
    	EV_HORIZONTAL_SPLIT_AREA_IMP
    	EV_VERTICAL_SPLIT_AREA_IMP

    Clients
    	EV_HORIZONTAL_SPLIT_AREA_IMP
    	EV_SPLIT_AREA_IMP*
    	EV_VERTICAL_SPLIT_AREA_IMP

    Suppliers
    	ACTION_SEQUENCE [EVENT_DATA -> TUPLE create default_create end]
    	BOOLEAN
    	EV_CONTAINER*
    	EV_CONTAINER_IMP*
    	EV_SPLIT_AREA*
    	EV_SPLIT_AREA_IMP*
    	EV_WIDGET*
    	EV_WIDGET_IMP*
    	INTEGER_32
    	STRING_8
    	WEL_CURSOR
    	WEL_DC*
    	WEL_IDC_CONSTANTS
    	WEL_POINT