public void setFileChooserProperties(String title, String preferenceForLastSelectedDir,
			GhidraFileChooserMode selectionMode, boolean allowMultiSelection,
			GhidraFileFilter filter) {

		this.title = Objects.requireNonNull(title);
		this.preferenceForLastSelectedDir = preferenceForLastSelectedDir;
		this.fileChooserMode = Objects.requireNonNull(selectionMode);
		this.allowMultiFileSelection = allowMultiSelection;
		this.filter = filter;
	}
Set properties on the file chooser that is displayed when the "Add" button is pressed.

@param title title of the file chooser
@param preferenceForLastSelectedDir Preference to use as the current directory in the file
           chooser
@param selectionMode mode defined in GhidraFileFilter, e.g., GhidraFileFilter.FILES_ONLY
@param allowMultiSelection true if multiple files can be selected
@param filter filter to use; may be null if no filtering is required
Ghidra/Framework/Docking/src/main/java/docking/widgets/pathmanager/PathnameTablePanel.java