ParamInfo addNewParameter() {
		ParamInfo param = new ParamInfo(this, null, DataType.DEFAULT,
			VariableStorage.UNASSIGNED_STORAGE, canCustomizeStorage(), parameters.size());
		parameters.add(param);
		fixupOrdinals();
		updateParameterAndReturnStorage();
		return param;
	}
Determine if parameter name(s) have been modified.  Note that this method will return false
if the number of non-auto parameters has changed.
@param originalFunctionData original function data prior to edits
@return true if one or more parameter names has changed, else false
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/function/editor/FunctionData.java