@Override
	public QualifierFilter clone() {
		DatatypeMatchFilter res = new DatatypeMatchFilter();
		res.position = position;
		res.typeFilter = typeFilter.clone();
		return res;
	}
Check if the function signature has a specific data-type in a specific position.
This filter does not match against the data-type in the current position
being assigned, but against a parameter at a fixed position.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/lang/protorules/DatatypeMatchFilter.java