    class
    	LINKED_PRIORITY_QUEUE [G -> COMPARABLE]

    General
    	cluster: base
    	description: "Priority queues implemented as sorted lists"
    	create: make_sublist, make

    Ancestors
    	PRIORITY_QUEUE* [G -> PART_COMPARABLE]
    	SORTED_TWO_WAY_LIST [G -> COMPARABLE]

    Queries
    	changeable_comparison_criterion: BOOLEAN
    	count: INTEGER_32
    	Extendible: BOOLEAN
    	Full: BOOLEAN
    	has (v: G): BOOLEAN
    	is_empty: BOOLEAN
    	is_equal (other: [like Current] LINKED_PRIORITY_QUEUE [G]): BOOLEAN
    	is_inserted (v: G): BOOLEAN
    	item: G
    	linear_representation: LINEAR [G]
    	object_comparison: BOOLEAN
    	occurrences (v: [like sl_item] G): INTEGER_32
    	prunable: BOOLEAN
    	readable: BOOLEAN
    	writable: BOOLEAN

    Commands
    	append (s: SEQUENCE [G])
    	compare_objects
    	compare_references
    	extend (v: [like sl_item] G)
    	fill (other: CONTAINER [G])
    	force (v: [like sl_item] G)
    	prune (v: [like sl_item] G)
    	prune_all (v: [like sl_item] G)
    	put (v: [like item] G)
    	remove
    	replace (v: [like sl_item] G)
    	wipe_out