code: public static ArrayList<IAtomContainer> projectList(List<List<CDKRMap>> rMapsList, IAtomContainer graph, int key) {
          ArrayList<IAtomContainer> graphList = new ArrayList<IAtomContainer>();
  
          for (List<CDKRMap> rMapList : rMapsList) {
              IAtomContainer atomContainer = project(rMapList, graph, key);
              graphList.add(atomContainer);
          }
          return graphList;
      }
docs: Projects atom list of RMapsList on atom molecule.
  
  @param  rMapsList  list of RMapsList to project
  @param  graph          the molecule on which project
  @param  key         the key in the CDKRMap of the molecule graph
  @return            atom list of AtomContainer