public void generateFunctionIdMap(Map<RowKey, FunctionDescription> funcmap) {
		for (FunctionDescription func : funcrec) {
			funcmap.put(func.getId(), func);
		}
	}
Generate a map from (row) id to function, for all functions in this container
@param funcmap is the map to populate
Ghidra/Features/BSim/src/main/java/ghidra/features/bsim/query/description/DescriptionManager.java