docs: private String getServerTlsFingerPrint() {
          String fingerPrint = null;
          Map<String, Object> serverConfig = Config.getInstance().getJsonMapConfigNoCache("server");
          Map<String, Object> secretConfig = Config.getInstance().getJsonMapConfigNoCache("secret");
          // load keystore here based on server config and secret config
          String keystoreName = (String)serverConfig.get("keystoreName");
          String serverKeystorePass = (String)secretConfig.get("serverKeystorePass");
          if(keystoreName != null) {
              try (InputStream stream = Config.getInstance().getInputStreamFromFile(keystoreName)) {
                  KeyStore loadedKeystore = KeyStore.getInstance("JKS");
                  loadedKeystore.load(stream, serverKeystorePass.toCharArray());
                  X509Certificate cert = (X509Certificate)loadedKeystore.getCertificate("server");
                  if(cert != null) {
                      fingerPrint = FingerPrintUtil.getCertFingerPrint(cert);
                  } else {
                      logger.error("Unable to find the certificate with alias name as server in the keystore");
                  }
              } catch (Exception e) {
                  logger.error("Unable to load server keystore ", e);
              }
          }
          return fingerPrint;
      }