public void setMultiSelectionEnabled(boolean b) {
		multiSelectionEnabled = b;
		if (b) {
			directoryList.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
			directoryTable.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
		}
		else {
			directoryList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
			directoryTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
		}
	}
Sets the file chooser to allow multiple file selections.
@param b true if multiple files may be selected
@see #isMultiSelectionEnabled
Ghidra/Framework/Docking/src/main/java/docking/widgets/filechooser/GhidraFileChooser.java