export declare const fingerprintToJsonWebKey2020: (fingerprint: string) => {
    bls12381G1KeyPair: any;
    bls12381G2KeyPair?: undefined;
} | {
    bls12381G2KeyPair: any;
    bls12381G1KeyPair?: undefined;
} | {
    bls12381G1KeyPair: any;
    bls12381G2KeyPair: any;
};