    deferred class
    	EV_PICK_AND_DROPABLE_I

    Ancestors
    	EV_ANY_I*
    	EV_PICK_AND_DROPABLE_ACTION_SEQUENCES_I*
    	EV_SHARED_TRANSPORT_I

    Descendants
    	EV_ITEM_I*
    	EV_MULTI_COLUMN_LIST_ROW_I*
    	EV_PICK_AND_DROPABLE_IMP*
    	EV_TOOL_BAR_BUTTON_I*
    	EV_WIDGET_I*

    Clients
    	EV_PICK_AND_DROPABLE*
    	EV_PICK_AND_DROPABLE_I*
    	EV_PICK_AND_DROPABLE_IMP*

    Suppliers
    	BOOLEAN
    	EV_ABSTRACT_PICK_AND_DROPABLE*
    	EV_APPLICATION
    	EV_APPLICATION_IMP
    	EV_ENVIRONMENT
    	EV_PICK_AND_DROPABLE*
    	EV_PICK_AND_DROPABLE_I*
    	EV_PND_ACTION_SEQUENCE
    	EV_PND_MOTION_ACTION_SEQUENCE
    	EV_WIDGET*
    	EV_WIDGET_I*
    	FUNCTION [BASE_TYPE, OPEN_ARGS -> TUPLE create default_create end, RESULT_TYPE]
    	INTEGER_16
    	INTEGER_32