@Override
		public boolean isEnabledForContext(ActionContext context) {
			if (!clipboardService.isValidContext(context)) {
				return false;
			}
			return clipboardService.canCopySpecial();
		}
@see java.awt.datatransfer.ClipboardOwner#lostOwnership(java.awt.datatransfer.Clipboard,
     java.awt.datatransfer.Transferable)
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/clipboard/ClipboardPlugin.java