export declare class Sequence {
    static aa: Map<string, number>;
    static sequenceId(key: string): number;
}
/**
 * Generate a sequence id.
 * @ref https://beta.reactjs.org/apis/react/useId#useid
 * @returns id
 */
export declare function seqId(key?: string): number;
//# sourceMappingURL=Sequence.d.ts.map