export interface CACredentials {
    key: string;
    cert: string;
}
/**
 * Get or create a CA certificate for MITM proxy interception.
 * Certs are persisted to disk so they can be installed in the system trust store.
 */
export declare function getOrCreateCA(certDir?: string): Promise<CACredentials>;
/**
 * Returns the path to the CA certificate file.
 */
export declare function getCertPath(certDir?: string): string;
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