@Override
	public void setChoice(Settings settings, int value) {
		if (value < 0 || value > WRITABLE) {
			settings.clearSetting(MUTABILITY);
		}
		else {
			settings.setLong(MUTABILITY, value);
		}
	}
Returns the mutability mode based on the current settings
@param settings the instance settings.
@return the current format value
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/data/MutabilitySettingsDefinition.java