export declare const createDeviceCertificate: ({ certsDir, log, debug, deviceId, awsIotRootCA, mqttEndpoint, }: {
    certsDir: string;
    deviceId: string;
    mqttEndpoint: string;
    awsIotRootCA: string;
    log?: ((...message: any[]) => void) | undefined;
    debug?: ((...message: any[]) => void) | undefined;
}) => Promise<{
    deviceId: string;
}>;