export declare const outputMarker: string;
export declare function isCaCertificateInstalled(returnInvalidCertificate?: boolean): boolean;
export declare function isCaInDir(): boolean;
export declare function validateCertificateAndKey(certificatePath: string, keyPath: string): {
    certificate: string;
    key: string;
};
export declare function verifyCertificates(filename: string): boolean;