@Override
	public void restoreXml(XmlPullParser parser) throws XmlParseException {
		XmlElement elem = parser.start(ELEM_CONVERT_TO_PTR.name());
		parser.end(elem);
	}
Action converting the parameter's data-type to a pointer, and assigning storage for the pointer.
This assumes the data-type is stored elsewhere and only the pointer is passed as a parameter.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/lang/protorules/ConvertToPointer.java