public static String toHexString(long l) {
        return zeropad(Long.toHexString(l), 16);
    }
Consider using {@link String#format(String, Object...) String.format("%016x", l)} instead.
<p>
Converts a long into a padded hex string.

@param l the long
@return the padded hex string
Ghidra/Framework/Generic/src/main/java/ghidra/util/Conv.java