private void configureType(@Nonnull ClassType type) {
		CellData data = getTypeData(type);
		setGraphic(data.graphic);
		setText(data.text);
		setOnMouseClicked(e -> {
			if (e.getButton() == MouseButton.SECONDARY) {
				// Lazily populate context menus when secondary click is prompted.
				if (getContextMenu() == null) setContextMenu(data.contextSupplier.makeMenu());
			}
		});
		setOpacity(data.disabled ? 0.35 : 1);
	}
Special value used to represent null types. Randomized to prevent abuse.
recaf-ui/src/main/java/software/coley/recaf/ui/pane/editing/assembler/TypeTableCell.java