code: public boolean add(Cell c) {
          if (c == null) {
              throw new DeepGenericException(new IllegalArgumentException("cell parameter cannot be null"));
          }
  
          return getCellsByTable(nameSpace).add(c);
      }
docs: Adds a new Cell object to this Cells instance. Associates the provided Cell to the default table.
  
  @param c the Cell we want to add to this Cells object.
  @return either true/false if the Cell has been added successfully or not.