private String createTitle() {
		Address minAddress = addressSet.getMinAddress();
		String newTitle = minAddress.toString();
		SymbolTable symbolTable = program.getSymbolTable();
		Symbol primarySymbol = symbolTable.getPrimarySymbol(minAddress);
		if (primarySymbol != null) {
			newTitle += " - " + primarySymbol.getName(false);
		}
		return newTitle;
	}
Signals to rebuild this component's data model.  This call should not do any real work
if the model is not 'dirty'.
Ghidra/Features/FunctionGraph/src/main/java/ghidra/app/plugin/core/functiongraph/graph/vertex/ListingGraphComponentPanel.java