import { BBSPlusBlindSignatureG1 } from '../bbs-plus';
import { BBSBlindSignature } from '../bbs';
import { BBSCredential, BBSPlusCredential, BBDT16Credential } from './credential';
import { BBSPlusBlinding, BBDT16Blinding } from './blinded-credential-request-builder';
import { CredentialCommon } from './credential-common';
import { BBDT16BlindMac } from '../bbdt16-mac';
/**
 * A blinded credential created by the signer. Has to be converted to a (unblinded) credential
 */
export declare abstract class BlindedCredential<BlindSig> extends CredentialCommon<BlindSig> {
    /**
     * Merge blinded and unblinded subject to create the subject of the final credential
     * @param blindedSubject
     * @returns
     */
    protected getUpdatedSubject(blindedSubject: object | object[]): object | object[];
    protected getUpdatedStatus(blindedStatus?: object): object | undefined;
    protected getUpdatedAttributes(proofType: string, blindedSubject: object | object[], blindedStatus?: object, blindedTopLevelFields?: Map<string, unknown>): [object | object[], object | undefined, Map<string, unknown>];
    protected static validateProofType(typ: string): void;
    /**
     * Change the proof type from "blinded" to "unblinded"
     * @param newProofType
     * @protected
     */
    protected updateProofType(newProofType: any): Map<string, unknown>;
}
export declare class BBSBlindedCredential extends BlindedCredential<BBSBlindSignature> {
    /**
     * Convert to unblinded credential which can be verified with the public key
     * @param blindedSubject
     * @param blindedStatus
     * @param blindedTopLevelFields - Any top level fields that are blinded. Ensure that these are not set by the issuer.
     * @returns
     */
    toCredential(blindedSubject: object | object[], blindedStatus?: object, blindedTopLevelFields?: Map<string, unknown>): BBSCredential;
    static fromJSON(j: object, proofValue?: string): BBSBlindedCredential;
    static applyDefaultProofMetadataIfNeeded(s: object): void;
}
export declare class BBSPlusBlindedCredential extends BlindedCredential<BBSPlusBlindSignatureG1> {
    /**
     * Convert to unblinded credential which can be verified with the public key
     * @param blindedSubject
     * @param blinding - blinding used while creating the request
     * @param blindedStatus
     * @param blindedTopLevelFields - Any top level fields that are blinded. Ensure that these are not set by the issuer.
     * @returns
     */
    toCredential(blindedSubject: object | object[], blinding: BBSPlusBlinding, blindedStatus?: object, blindedTopLevelFields?: Map<string, unknown>): BBSPlusCredential;
    static fromJSON(j: object, proofValue?: string): BBSPlusBlindedCredential;
    static applyDefaultProofMetadataIfNeeded(s: object): void;
}
export declare class BBDT16BlindedCredential extends BlindedCredential<BBDT16BlindMac> {
    /**
     * Convert to unblinded credential which can be verified with the secret key
     * @param blindedSubject
     * @param blinding - blinding used while creating the request
     * @param blindedStatus
     * @param blindedTopLevelFields - Any top level fields that are blinded. Ensure that these are not set by the issuer.
     * @returns
     */
    toCredential(blindedSubject: object | object[], blinding: BBDT16Blinding, blindedStatus?: object, blindedTopLevelFields?: Map<string, unknown>): BBDT16Credential;
    static fromJSON(j: object, proofValue?: string): BBDT16BlindedCredential;
    static applyDefaultProofMetadataIfNeeded(s: object): void;
}
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