### Question:
XLMUtils { public static BigDecimal decimalStringToXLM(final String amount) { BigDecimal bd = new BigDecimal(amount); bd = bd.setScale(7, ROUNDING_MODE); return bd; } private  XLMUtils(); static BigDecimal decimalStringToXLM(final String amount); static BigDecimal stroopToXLM(final long amount); static long XLMToStroop(final BigDecimal amount); static String formatBalance(final long amount); static String formatBalance(final BigDecimal amount); static String formatBalanceFullPrecision(final long amount); static String formatBalanceFullPrecision(final BigDecimal amount); static boolean isStroopFormat(final String amount); static boolean isPositiveStroopFormat(final String amount); static boolean isNegativeStroopFormat(final String amount); static boolean isDecimalFormat(final String amount); static boolean isPositiveDecimalFormat(final String amount); static boolean isPublicKeyValidFormat(final String publicKey); static boolean isSecretKeyValidFormat(final String secretKey); static boolean isNegativeDecimalFormat(final String amount); static final DecimalFormat XLM_FORMATTER; static final DecimalFormat XLM_PRECISION_FORMATTER; static final BigDecimal STROOPS_IN_XLM; }### Answer:
@Test void decimalStringToXLM() { }