@Override
	public BigInteger getValue() {
		if (signed) {
			return value.negate();
		}
		return value;
	}
This class represents a signed encoded number (following wiki page naming convention for
Microsoft Demangler) within a Microsoft mangled symbol.
Ghidra/Features/MicrosoftDmang/src/main/java/mdemangler/MDSignedEncodedNumber.java