    class
    	INTEGER_INTERVAL

    Ancestors
    	INDEXABLE* [G, H -> INTEGER_32]
    	RESIZABLE* [G]
    	SET* [G]

    Descendants
    	ACTIVE_INTEGER_INTERVAL

    Clients
    	ACTIVE_INTEGER_INTERVAL
    	ARRAY [G]
    	ARRAYED_LIST [G]
    	ARRAYED_QUEUE [G]
    	CHAIN* [G]
    	EV_GAUGE*
    	EV_GRID_CHOICE_ITEM
    	EV_GRID_I*
    	EV_LIST_ITEM_LIST*
    	EV_MODEL_WORLD_CELL
    	EV_POINTER_STYLE_CONSTANTS
    	HEAP_PRIORITY_QUEUE [G -> COMPARABLE]
    	INDEXABLE* [G, H -> INTEGER_32]
    	INTEGER_16_REF
    	INTEGER_32_REF
    	INTEGER_8_REF
    	INTEGER_INTERVAL
    	NATURAL_16_REF
    	NATURAL_8_REF
    	PREFERENCES_GRID_IMP*
    	PREFERENCES_WINDOW_IMP*
    	STRING_32
    	STRING_8

    Suppliers
    	ARRAY [G]
    	BOOLEAN
    	FUNCTION [BASE_TYPE, OPEN_ARGS -> TUPLE create default_create end, RESULT_TYPE]
    	INTEGER_32
    	INTEGER_INTERVAL
    	PROCEDURE [BASE_TYPE, OPEN_ARGS -> TUPLE create default_create end]