private void initializeKeyEvents() {

		// remove Java's default bindings for Copy/Paste on this tree, as they cause conflicts
		// with Ghidra's key bindings
		KeyBindingUtils.clearKeyBinding(getJTree(),
			KeyStroke.getKeyStroke(KeyEvent.VK_C, DockingUtils.CONTROL_KEY_MODIFIER_MASK));
		KeyBindingUtils.clearKeyBinding(getJTree(),
			KeyStroke.getKeyStroke(KeyEvent.VK_V, DockingUtils.CONTROL_KEY_MODIFIER_MASK));
		KeyBindingUtils.clearKeyBinding(getJTree(),
			KeyStroke.getKeyStroke(KeyEvent.VK_X, DockingUtils.CONTROL_KEY_MODIFIER_MASK));
	}
Tree that shows the folders and domain files in a Project
Ghidra/Framework/Project/src/main/java/ghidra/framework/main/datatree/DataTree.java