public FormatManager getMinimalFormatManager() {
		if (minimalFormatManager == null) {
			setMinimalFormatManager(createMinimalFormatManager());
		}
		return minimalFormatManager;
	}
Field format manager for restoring to the default 'minimal' view
Ghidra/Features/FunctionGraph/src/main/java/ghidra/app/plugin/core/functiongraph/mvc/FGController.java