docs: private static TrustManagerFactory createTrustManagers(String filepath, String keystorePassword)
              throws KeyStoreException, FileNotFoundException,
              IOException, NoSuchAlgorithmException, CertificateException {
          KeyStore trustStore = KeyStore.getInstance("JKS");
          try (InputStream trustStoreIS = new FileInputStream(filepath)) {
              trustStore.load(trustStoreIS, keystorePassword.toCharArray());
          }
          TrustManagerFactory trustFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
          trustFactory.init(trustStore);
          return trustFactory;
      }