visitor

class Options(object):
    """Options to control how a JMESPath function is evaluated."""
    def __init__(self, dict_cls=None, custom_functions=None):
        #: The class to use when creating a dict.  The interpreter
        #  may create dictionaries during the evaluation of a JMESPath
        #  expression.  For example, a multi-select hash will
        #  create a dictionary.  By default we use a dict() type.
        #  You can set this value to change what dict type is used.
        #  The most common reason you would change this is if you
        #  want to set a collections.OrderedDict so that you can
        #  have predictable key ordering.
        self.dict_cls = dict_cls
        self.custom_functions = custom_functions