@Override
	public void insert(StringBuilder builder) {
		super.insert(builder);
		if (signed) {
			dmang.insertString(builder, "-");
		}
	}
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