in python/src/datasketches_spark/kll.py [0:0]
def _get_kll_functions_class() -> JavaClass:
global _kll_functions_class
if _kll_functions_class is None:
_kll_functions_class = _get_jvm_class("org.apache.spark.sql.datasketches.kll.functions")
return _kll_functions_class