public int getMagicNumber() throws InvalidDataTypeException {
		checkValidity();
		return magicNum;
	}
Gets the value of the magic number.
@return the magic number or 0.
@throws InvalidDataTypeException if valid FuncInfo data can't be created at the model's address.
Ghidra/Features/MicrosoftCodeAnalyzer/src/main/java/ghidra/app/cmd/data/exceptionhandling/EHFunctionInfoModel.java