code: @Override
    public void add(Object data, Class<?>... typeSpecs) {
      //    if (data == null) return;
      //
      //    typeSpecs = determineTypeSpecs(data, typeSpecs);
      //    if (this.getDefaultDataType() == null) this.setDefaultDataType(typeSpecs);
      //
      //    mReps.put(this.getSpecsAsString(typeSpecs), data);
      Representation representation = new Representation(data, typeSpecs);
      mReps.put(representation.getTypeSpecsString(), representation);
    }
docs: Adds a new and unique representation for our {@link DDF}, keeping any existing ones but replacing the one that
  matches the given DDFManagerType, dataType tuple.