docs: protected String getAuthorizationCodeString(byte[] verifierBytes) {
  		char[] chars = new char[verifierBytes.length];
  		for (int i = 0; i < verifierBytes.length; i++) {
  			chars[i] = DEFAULT_CODEC[((verifierBytes[i] & 0xFF) % DEFAULT_CODEC.length)];
  		}
  		return new String(chars);
  	}