export declare const SIGNATURE_SCHEME_TO_FLAG: {
    readonly ED25519: 0;
    readonly Secp256k1: 1;
    readonly EcdsaR1: 2;
};
export declare const SIGNATURE_FLAG_TO_SCHEME: {
    readonly 0: "ED25519";
    readonly 1: "Secp256k1";
    readonly 2: "EcdsaR1";
};
export type SignatureScheme = 'ED25519' | 'Secp256k1' | 'EcdsaR1';
export type SignatureFlag = keyof typeof SIGNATURE_FLAG_TO_SCHEME;