import { ObservedPeerConnection } from './ObservedPeerConnection';
import { CertificateStats } from './schema/ClientSample';
export declare class ObservedCertificate implements CertificateStats {
    timestamp: number;
    id: string;
    private readonly _peerConnection;
    appData?: Record<string, unknown>;
    private _visited;
    fingerprint?: string;
    fingerprintAlgorithm?: string;
    base64Certificate?: string;
    issuerCertificateId?: string;
    attachments?: Record<string, unknown>;
    constructor(timestamp: number, id: string, _peerConnection: ObservedPeerConnection);
    get visited(): boolean;
    getPeerConnection(): ObservedPeerConnection;
    update(stats: CertificateStats): void;
}
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