How to use the parliament.get_privilege_matches_for_resource_type function in parliament

def access_check_command(accounts, config, args):
    """Check who has access"""
    # Find resource types that match the given ARN
    resource_type_matches = parliament.get_resource_type_matches_from_arn(
        args.resource_arn
    )
    if len(resource_type_matches) == 0:
        raise Exception("Unknown ARN type for {}".format(args.resource_arn))

    # Find privileges that match this resource type
    privilege_matches = parliament.get_privilege_matches_for_resource_type(
        resource_type_matches
    )

    # Check if we were given a privilege
    if args.privilege is not None:
        # Confirm these privileges exist
        expanded_actions = parliament.expand_action(args.privilege)
        if len(expanded_actions) == 0:
            raise Exception("Unknown privilege {}".format(args.privilege))

        new_privilege_matches = []
        for action in expanded_actions:
            for privilege in privilege_matches:
                if (
                    action["service"] == privilege["privilege_prefix"]
                    and action["action"] == privilege["privilege_name"]