/**
 * Shared CLI helper utilities.
 */
/**
 * Generate a self-signed TLS certificate using openssl.
 * Creates certs/aegis.key and certs/aegis.crt in the given base directory.
 *
 * The certificate is valid for 365 days, issued to CN=localhost with
 * SubjectAltNames for localhost and 127.0.0.1.
 */
export declare function generateSelfSignedCert(baseDir: string): void;
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