

class ClashInterface:

    def __init__(self, db):
        pass

    # Uncomment when tested and implemented
    # def remove_filter(self, filter):
    #    pass

    # Uncomment when tested and implemented
    # def apply_filter(self, filter):
    #    pass

    # Uncomment when tested and implemented
    # def get_current_filters(self):
    #    pass

    # Uncomment when tested and implemented
    # def set_group_by(self, attribute):
    #    pass

    def get_group_by(self):
        """
        Get the variable currently used to group the data
        :return: a human-readable string
        """
        return ''

    # Uncomment when tested and implemented
    # def get_labels(self):
    #    pass

    # Uncomment when tested and implemented
    # def get_values(self):
    #    pass

    # Uncomment when tested and implemented
    # def get_variables(self):
    #    pass
