code: @Override
      public void addDim(int c, int[] cUse, IntVar[] dUse, int[] alias) {
          capacities.add(c);
          cUsages.add(cUse);
          dUsages.add(dUse);
          aliases.add(alias);
      }
docs: Add a constraint
  
  @param c     the cumulative capacity of the aliased resources
  @param cUse  the usage of each of the c-slices
  @param dUse  the usage of each of the d-slices
  @param alias the resource identifiers that compose the alias