/** * @param primitiveLong The long value that should be converted to an unsigned long encoded in a hexadecimal string. * @return The given long value converted to an unsigned hex encoded string of length 16 (zeroes will be prepended as padding if necessary to * reach a string length of 16). You can convert back to a Java long primitive by passing the result into * {@link #unsignedLowerHexStringToLong(String)}. */ public static String longToUnsignedLowerHexString(long primitiveLong) { return ZipkinHexHelpers.toLowerHex(primitiveLong); }