    class
    	SORTED_TWO_WAY_LIST [G -> COMPARABLE]

    Ancestors
    	SORTED_LIST* [G -> COMPARABLE]
    	TWO_WAY_LIST [G]

    Descendants
    	LINKED_PRIORITY_QUEUE [G -> COMPARABLE]
    	TWO_WAY_SORTED_SET [G -> COMPARABLE]

    Clients
    	PREFERENCES_WINDOW
    	SORTED_TWO_WAY_LIST [G -> COMPARABLE]

    Suppliers
    	BI_LINKABLE [G]
    	BOOLEAN
    	COMPARABLE*
    	INTEGER_32
    	SORTED_TWO_WAY_LIST [G -> COMPARABLE]