+ #:vertex-degree-summary
+ #:connected-components
+ #:average-local-clustering-coefficient
+ #:vertex-triangle-count
+ #:graph-edges
+ #:graph-vertexes)
+
+ (:export
+ #:print-dot-key-value
+ #:dot-attribute-value
+ #:dot-attributes-mixin
+ #:*dot-graph-attributes*
+ ))