docs: @RequiresPermission(Manifest.permission.CALL_PHONE)
      public static void startCall(@NonNull final Context context,
                                   @NonNull final String phoneNumber) {
          Condition.INSTANCE.ensureNotNull(context, "The context may not be null");
          Condition.INSTANCE.ensureNotNull(phoneNumber, "The phone number may not be null");
          Condition.INSTANCE.ensureNotEmpty(phoneNumber, "The phone number may not be empty");
          Uri uri = Uri.parse(phoneNumber.startsWith("tel:") ? phoneNumber : "tel:" + phoneNumber);
          Intent intent = new Intent(Intent.ACTION_CALL, uri);
  
          if (intent.resolveActivity(context.getPackageManager()) == null) {
              throw new ActivityNotFoundException("Dialer app not available");
          }
  
          context.startActivity(intent);
      }