public Collection<HREF> getTOC_HREFs() {
		Collection<HREF> definitions = new ArrayList<>();
		GhidraTOCFile TOC = inputHelp.getSourceTOCFile();
		definitions.addAll(getTOC_HREFs(TOC));
		return definitions;
	}
Input TOC items are those that we are building for the input help module of this collection
@return the items
Ghidra/Framework/Help/src/main/java/help/validator/location/HelpModuleCollection.java