declare const _default: {
    add: typeof add;
    remove: typeof remove;
    removeAll: typeof removeAll;
    query: typeof query;
};
export default _default;
declare function add(x1: number, z1: number, x2: number, z2: number): string;
declare function remove(x1: number, z1: number, x2: number, z2: number): string;
declare function removeAll(): string;
declare function query(x: number, z: number): string;