public static String toHexStringNoPrefixZeroPadded(BigInteger value, int size) {
        return toHexStringZeroPadded(value, size, false);
    }
@Test
    public void testToHexStringZeroPaddedTooLargs() {

        assertThrows(
                UnsupportedOperationException.class,
                () -> Numeric.toHexStringNoPrefixZeroPadded(BigInteger.valueOf(-1), 5));
    }