public void addTypeList(ArrayList<DataType> dtlist) {
		for (DataType dt : dtlist) {
			if (dt == null) {
				continue;
			}
			inputSet.add(createEntry(dt));
		}
		processed = false;
	}
This method adds a list of DataTypes to the input DataType list and
 marks the data as dirty (all must need recalculated).
@param dtlist  List of DataTypes to add to the input DataType list.
Ghidra/Features/Decompiler/src/main/java/ghidra/app/util/DataTypeDependencyOrderer.java