code: def decrypt(self, sk_map: dict):
      values_mapping = {}
      for name, values in self._data.items():
          if name in sk_map:
              values_mapping[name] = values.decrypt(sk_map[name])
          else:
              values_mapping[name] = values
      return HistogramValuesContainer(values_mapping)
  
imports: import typing
  from typing import MutableMapping
  from ._value import HistogramValues
  from ._plain import HistogramPlainValues
  from ._cipher import HistogramEncryptedValues
label_desc: Use image node_id 8 for calling the HistogramValuesContainer obj's underlying member method code with example usage: obj.decrypt(sk_map) and returns: HistogramValuesContainer