@staticmethod
def _string_to_bool(boolean_string):
    """Returns a boolean value of a boolean value string representation
        """
    if boolean_string.lower() == 'true':
        return True
    elif boolean_string.lower() == 'false':
        return False
    else:
        raise ValueError(msg=
            'Passed in boolean string was neither True or False: {0}'.
            format(boolean_string))
