def METHOD_NAME(cls, **kwargs):
    """Get a dict of values that can be used for the condition.
    Subclasses are encouraged to explicitly specify the arguments
    they expect instead of using ``**kwargs``.
    The key of each item is the actual value that will be used
    in the check while the value is what is going to be displayed.
    :param kwargs: arguments specific to the condition's context
    """
    raise NotImplementedError