private static DataFlavor createLocalToolButtonFlavor() {
		try {
			return new GenericDataFlavor(
				DataFlavor.javaJVMLocalObjectMimeType + "; class=ghidra.framework.main.ToolButton",
				"Local tool button object");
		}
		catch (Exception e) {
			Msg.showError(ToolButtonTransferable.class, null, null, null, e);
		}
		return null;
	}
Defines data that is available for drag/drop and clipboard transfers.
The data is a ToolButton object.
Ghidra/Framework/Project/src/main/java/ghidra/framework/main/ToolButtonTransferable.java