export interface RevocationEntry {
    credentialId: string;
    issuer: string;
    subject: string;
    revokedAt: string;
    reason?: string;
}
export interface RevocationList {
    version: number;
    issuer: string;
    lastUpdated: string;
    revoked: RevocationEntry[];
}
export declare class RevocationRegistry {
    private basePath;
    constructor(basePath: string);
    private getListPath;
    /**
     * Initialize revocation directory
     */
    init(): Promise<void>;
    /**
     * Load revocation list for an issuer
     */
    private loadList;
    /**
     * Save revocation list
     */
    private saveList;
    /**
     * Revoke a credential
     */
    revoke(credentialId: string, issuerDid: string, subjectDid: string, reason?: string): Promise<void>;
    /**
     * Check if a credential is revoked
     */
    isRevoked(credentialId: string, issuerDid: string): Promise<boolean>;
    /**
     * Get revocation status for a credential
     */
    getStatus(credentialId: string, issuerDid: string): Promise<RevocationEntry | null>;
    /**
     * List all revoked credentials for an issuer
     */
    listRevoked(issuerDid: string): Promise<RevocationEntry[]>;
    /**
     * Generate a revocation status for embedding in credentials
     * Returns a hash of the credential ID that can be checked against the registry
     */
    generateStatusId(credentialId: string): string;
}
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