private Icon getStorageIcon(FontMetrics metrics, boolean isInvalid) {

		Icon icon = new EmptyIcon(18, metrics.getHeight());
		if (isInvalid) {
			icon = new MultiIcon(icon, INVALID_STORAGE_ICON);
		}
		return icon;
	}
Constructor
@param model the model that the field belongs to.
@param hlProvider the HightLightStringProvider.
@param displayOptions the Options for display properties.
@param fieldOptions the Options for field specific properties.
Ghidra/Features/Base/src/main/java/ghidra/app/util/viewer/field/VariableLocFieldFactory.java