export type PrivateKey = string;
export type CertificatePublicKey = {
    /**
     * public key in DER format
     * DER => Uint8Array
     */
    buffer: Uint8Array;
    algorithm: string;
};
export type X509Certificate<T = any> = {
    internal: T;
    /**
     * Checks new Date() is in the validity period
     * of the certificate, basically outside notBefore and notAfter
     */
    isWithinValidity(): boolean;
    getSubjectField(key: string): string[];
    getAlternativeDNSNames(): string[];
    isIssuer(ofCert: X509Certificate<T>): boolean;
    getPublicKey(): CertificatePublicKey;
    /**
     * Get the Authority Information Access extension value,
     * tells us where to get issuer certificate from
     */
    getAIAExtension(): string | undefined;
    /**
     * verify this certificate issued the certificate passed
     * @param otherCert the supposedly issued certificate to verify
     * */
    verifyIssued(otherCert: X509Certificate<T>): boolean | Promise<boolean>;
    serialiseToPem(): string;
};