type CharArray<S extends string> = S extends `${infer First}${infer Rest}` ? [First, ...CharArray<Rest>] : [];
type CountChars<S extends string> = CharArray<S>['length'];
type ArrayOfLength<Length extends number, Collected extends unknown[] = []> = Collected['length'] extends Length ? Collected : ArrayOfLength<Length, [unknown, ...Collected]>;
type IsAtMost<S extends string, Max extends number> = ArrayOfLength<Max> extends [...ArrayOfLength<CountChars<S>>, ...unknown[]] ? true : false;
type LengthMismatchError<Expected extends number> = {
    expectedLength: Expected;
};
export type EnforceMaxLength<S extends string, Max extends number> = IsAtMost<S, Max> extends true ? S : LengthMismatchError<Max>;
declare const secretMaxLength: 20;
export type SecretMaxLength = typeof secretMaxLength;
/**
 * Specification of the methods exposed by CredentialAttestationWorker
 * for parent proxying.
 */
export declare const workerSpec: {
    /** Compile the necessary ECDSA Mina / Ethereum programs */
    readonly compile: () => Promise<void>;
    /**
     * Generate a presentation request JSON for a given Mina zkApp public key.
     * @param zkAppPublicKeyBase58 - Base58-encoded Mina zkApp public key
     * @returns Presentation request JSON
     */
    readonly computeEcdsaSigPresentationRequest: (zkAppPublicKeyBase58: string) => Promise<string>;
    /**
     * Generate a credential for a user.
     * @param secret - Secret string, enforced max length
     * @param ethSecretSignature - Ethereum signature of the secret
     * @param ethWalletAddress - Ethereum wallet address
     * @param minaPublicKeyBase58 - Base58-encoded Mina public key
     * @returns Credential JSON
     */
    readonly computeCredential: <FixedString extends string>(secret: EnforceMaxLength<FixedString, SecretMaxLength>, ethSecretSignature: string, ethWalletAddress: string, minaPublicKeyBase58: string) => Promise<string>;
    /**
     * Compute a presentation for the wallet using the given credential
     * and presentation request.
     * @param presentationRequestJson - JSON of the presentation request
     * @param credentialJson - JSON of the credential
     * @param minaPrivateKeyBase58 - Base58-encoded Mina private key
     * @returns Presentation JSON
     */
    readonly WALLET_computeEcdsaSigPresentation: (presentationRequestJson: string, credentialJson: string, minaPrivateKeyBase58: string) => Promise<string>;
    /**
     * Deploy and verify the EcdsaSigPresentationVerifier zkApp
     * using the provided presentation JSON. Only for testing / dev.
     * @param zkAppPrivateKeyBase58 - Base58 zkApp private key
     * @param senderPrivateKeyBase58 - Base58 sender private key
     * @param presentationJSON - Presentation JSON to verify
     */
    readonly MOCK_deployAndVerifyEcdsaSigPresentationVerifier: (zkAppPrivateKeyBase58: string, senderPrivateKeyBase58: string, presentationJSON: string) => Promise<void>;
};
export {};