@Override
	public void lostOwnership(Clipboard clipboard, Transferable contents) {
		// check the temporary clipboard and revert "cut" operations
		// back to normal in the program node info.
		clearCutClipboardNodes();
	}
Notifies tree object that it is no longer the owner of
the contents of the clipboard.
@param clipboard the clipboard that is no longer owned
@param contents the contents which tree owner had placed on the clipboard
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/programtree/ProgramTreeActionManager.java