void clearClipboard() {
		Clipboard clipboard = (Clipboard) getInstanceField("localClipboard", provider);
		ClipboardOwner owner = (ClipboardOwner) getInstanceField("clipboardOwner", provider);
		clipboard.setContents(null, owner);
	}
A comparator to sort Symbols the same way as the SymbolNode sorts
Ghidra/Features/Base/src/test.slow/java/ghidra/app/plugin/core/symboltree/SymbolTreeTestUtils.java