class_docstr: Data representing true and false.
  
  Note that by default numerical `1` and `0` are considered valid boolean
  values, but other numbers are not.
  
  :param true_values: A sequence of values which should be cast to
      :code:`True` when encountered with this type.
  :param false_values: A sequence of values which should be cast to
      :code:`False` when encountered with this type.
code: def jsonify(self, d):
      return d
  
file_path: agate/agate/data_types/boolean.py
imports: from decimal import Decimal
  from agate.data_types.base import DEFAULT_NULL_VALUES, DataType
  from agate.exceptions import CastError
label_desc: Use image node_id 3 for calling the Boolean obj's underlying member method code with example usage: obj.jsonify(d) and returns: d