import { CredentialBuilderCommon } from './credential-builder-common';
import { IBlindCredentialRequest } from './presentation-specification';
import { BBSSecretKey, BBSSignatureParams } from '../bbs';
import { BBSPlusSecretKey, BBSPlusSignatureParamsG1 } from '../bbs-plus';
import { BBSBlindedCredential, BBSPlusBlindedCredential, BBDT16BlindedCredential } from './blinded-credential';
import { BBDT16MacParams, BBDT16MacSecretKey } from '../bbdt16-mac';
/**
 * Used by the signer to create a blinded credential. The signer will know only the unblinded attributes
 */
export declare abstract class BlindedCredentialBuilder extends CredentialBuilderCommon {
    /** NOTE: This should match `CredentialBuilder.VERSION` exactly else backward compatibility code won't always work.
    This is because `BlindedCredential.toCredential` outputs a `Credential` which should be same as the one output
    by `CredentialBuilder.sign` */
    static VERSION: string;
    blindedCredReq: IBlindCredentialRequest;
    constructor(blindedCredReq: IBlindCredentialRequest);
    protected getTotalAttributesAndEncodedKnownAttributes(): [number, Map<number, Uint8Array>];
    protected processUnBlindedAttributes(): void;
}
export declare class BBSBlindedCredentialBuilder extends BlindedCredentialBuilder {
    protected applyDefaultProofMetadataIfNeeded(s: object): void;
    /**
     * Blind sign a credential
     * @param secretKey
     * @param sigParams
     * @returns
     */
    sign(secretKey: BBSSecretKey, sigParams?: Uint8Array | BBSSignatureParams): BBSBlindedCredential;
}
export declare class BBSPlusBlindedCredentialBuilder extends BlindedCredentialBuilder {
    protected applyDefaultProofMetadataIfNeeded(s: object): void;
    /**
     * Blind sign a credential
     * @param secretKey
     * @param sigParams
     * @returns
     */
    sign(secretKey: BBSPlusSecretKey, sigParams?: Uint8Array | BBSPlusSignatureParamsG1): BBSPlusBlindedCredential;
}
export declare class BBDT16BlindedCredentialBuilder extends BlindedCredentialBuilder {
    protected applyDefaultProofMetadataIfNeeded(s: object): void;
    /**
     * Blind sign a credential
     * @param secretKey
     * @param sigParams
     * @returns
     */
    sign(secretKey: BBDT16MacSecretKey, sigParams?: Uint8Array | BBDT16MacParams): BBDT16BlindedCredential;
}
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