@Override
	protected boolean refresh() {
		return refresh(null);
	}
@see ghidra.program.model.listing.Function#insertParameter(int, ghidra.program.model.listing.Variable, ghidra.program.model.symbol.SourceType)
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/function/FunctionDB.java