import { PdfArray } from '../core/objects/pdf-array.js';
import { PdfDate } from '../core/objects/pdf-date.js';
import { PdfDictionary } from '../core/objects/pdf-dictionary.js';
import { PdfIndirectObject } from '../core/objects/pdf-indirect-object.js';
import { PdfName } from '../core/objects/pdf-name.js';
import { PdfObjectReference } from '../core/objects/pdf-object-reference.js';
import { PdfStream } from '../core/objects/pdf-stream.js';
import { PdfString } from '../core/objects/pdf-string.js';
import { ByteArray } from '../types.js';
import { RevocationInfo } from './types.js';
/**
 * Indirect object containing a certificate stream.
 */
export declare class PdfCertObject extends PdfIndirectObject<PdfStream> {
}
/**
 * Indirect object containing a CRL stream.
 */
export declare class PdfCrlObject extends PdfIndirectObject<PdfStream> {
}
/**
 * Indirect object containing an OCSP response stream.
 */
export declare class PdfOcspObject extends PdfIndirectObject<PdfStream> {
}
/**
 * Validation Related Information (VRI) dictionary.
 * Associates revocation data with specific certificate hashes.
 */
export type PdfVriObject = PdfIndirectObject<PdfDictionary<{
    [CertHash: string]: PdfDictionary<{
        Type?: PdfName<'VRI'>;
        Cert?: PdfObjectReference<PdfIndirectObject<PdfStream>>;
        OCSP?: PdfObjectReference<PdfIndirectObject<PdfStream>>;
        CRL?: PdfObjectReference<PdfIndirectObject<PdfStream>>;
        TU?: PdfDate;
        TS?: PdfString;
    }>;
}>>;
/**
 * Dictionary for the Document Security Store (DSS).
 * Contains arrays of certificates, CRLs, OCSPs, and VRI entries.
 */
export declare class PdfDocumentSecurityStoreDictionary extends PdfDictionary<{
    Type?: PdfName<'DSS'>;
    VRI?: PdfObjectReference;
    OCSPs?: PdfArray<PdfObjectReference<PdfIndirectObject<PdfStream>>>;
    CRLs?: PdfArray<PdfObjectReference<PdfIndirectObject<PdfStream>>>;
    Certs?: PdfArray<PdfObjectReference<PdfIndirectObject<PdfStream>>>;
}> {
}
/**
 * Document Security Store (DSS) object for PAdES LTV signatures.
 * Stores validation data (certificates, CRLs, OCSPs) for long-term validation.
 *
 * @example
 * ```typescript
 * const dss = new PdfDocumentSecurityStoreObject(document)
 * dss.addCert(certificateBytes)
 * dss.addCrl(crlBytes)
 * dss.addOcsp(ocspBytes)
 * ```
 */
export declare class PdfDocumentSecurityStoreObject extends PdfIndirectObject<PdfDocumentSecurityStoreDictionary> {
    /**
     * Creates a new DSS object.
     *
     * @param document - The parent PDF document.
     * @param content - Optional pre-existing DSS dictionary.
     */
    constructor(content?: PdfDocumentSecurityStoreDictionary);
    /**
     * Adds an OCSP response to the DSS, avoiding duplicates.
     *
     * @param ocsp - The DER-encoded OCSP response.
     * @returns The created or existing OCSP object.
     */
    addOcsp(ocsp: ByteArray): PdfOcspObject;
    /**
     * Adds a CRL to the DSS, avoiding duplicates.
     *
     * @param crl - The DER-encoded CRL.
     * @returns The created or existing CRL object.
     */
    addCrl(crl: ByteArray): PdfCrlObject;
    /**
     * Adds a certificate to the DSS, avoiding duplicates.
     *
     * @param cert - The DER-encoded certificate.
     * @returns The created or existing certificate object.
     */
    addCert(cert: ByteArray): PdfCertObject;
    /**
     * Adds revocation information (CRLs and OCSPs) to the DSS.
     *
     * @param revocationInfo - The revocation information to add.
     */
    addRevocationInfo(revocationInfo: RevocationInfo): void;
    /**
     * Checks if the DSS is empty (contains no certificates, CRLs, or OCSPs).
     *
     * @returns True if the DSS has no stored data.
     */
    isEmpty(): boolean;
}