code: public static Map.Entry<String, Map<String, ?>> fingerPrintCommand(int fingerPrintId) {
          return new AbstractMap.SimpleEntry<>(FINGER_PRINT,
              prepareArguments("fingerprintId", fingerPrintId));
      }
docs: This method forms a {@link Map} of parameters for the finger print authentication invocation.
  
  @param fingerPrintId finger prints stored in Android Keystore system (from 1 to 10)
  @return a key-value pair. The key is the command name. The value is a {@link Map} command arguments.