@Override
		public void keyPressed(KeyEvent e) {
			if (e.getKeyCode() == KeyEvent.VK_UP || e.getKeyCode() == KeyEvent.VK_DOWN) {
				component.requestFocus();
				KeyboardFocusManager kfm = KeyboardFocusManager.getCurrentKeyboardFocusManager();
				kfm.redispatchEvent(component, e);
			}
		}
Returns the accessible name prefix set by a previous call to 
{@link #setAccessibleNamePrefix(String)}.  This will be null if not set.
@return the prefix
Ghidra/Framework/Docking/src/main/java/docking/widgets/filter/FilterTextField.java