knotenSet :: Ord knoten => Labeling knoten -> Set knoten
labelSet :: Ord knoten => Labeling knoten -> Set Integer
getLabel :: Ord knoten => Labeling knoten -> knoten -> Integer
getSortedLabelList :: Labeling knoten -> [Integer]
getDiff :: Ord knoten => Labeling knoten -> Kante knoten -> Integer
sizeL :: Labeling knoten -> Int
lToList :: Labeling knoten -> [(knoten, Integer)]