export declare const zero_or_more: {
    $fn: (string | {
        $grammar: {
            "zero_or_more:zero": never[];
            "zero_or_more:more": ({
                head: string;
                tail?: undefined;
            } | {
                tail: {
                    $ap: string[];
                };
                head?: undefined;
            })[];
        };
    })[];
};
export declare const one_or_more: {
    $fn: (string | {
        $grammar: {
            "one_or_more:one": {
                value: string;
            }[];
            "one_or_more:more": ({
                head: string;
                tail?: undefined;
            } | {
                tail: {
                    $ap: string[];
                };
                head?: undefined;
            })[];
        };
    })[];
};
export declare const optional: {
    $fn: (string | {
        $grammar: {
            "optional:zero": never[];
            "optional:one": {
                head: string;
            }[];
        };
    })[];
};
export * from "./identifier";
export * from "./exp";
export * from "./stmt";