private GhidraFileChooser getChooser() {

			GhidraFileChooser chooser = new GhidraFileChooser(this);
			chooser.setMultiSelectionEnabled(false);
			chooser.setApproveButtonText("Choose");
			chooser.setFileSelectionMode(GhidraFileChooserMode.DIRECTORIES_ONLY);
			chooser.setTitle("Select Symbol Storage Dir");

			return chooser;
		}
The union of the changed status of the local storage path and the additional
search paths table model changed status.

@return boolean true if the config has changed
Ghidra/Features/PDB/src/main/java/pdb/symbolserver/ui/ConfigPdbDialog.java