def traverse_breadth_first(self, callback):
        self.root.traverse_breadth_first(callback, [])
Calculates Euclidean distances to the first K closest elements of y
dataset/ETHPy150Open mikhaildubov/AST-text-analysis/east/asts/ast.py/AnnotatedSuffixTree.traverse_breadth_first--crossover with--dataset/ETHPy150Open dougalsutherland/py-sdm/sdm/knn_search.py/knn_search