code: @Nonnull
    @Nonempty
    @OverrideOnDemand
    protected ICommonsList <? extends CHILDTYPE> getChildrenFormEmitting (@Nonnull @Nonempty final ICommonsList <CHILDTYPE> aChildren)
    {
      return aChildren;
    }
docs: Helper method that returns the elements in the correct order for emitting.
  This can e.g. be used for sorting or ordering.
  
  @param aChildren
  The children to be emitted. Is a direct reference to the container
  where the children are stored. So handle with care!
  @return The non-<code>null</code> list with all child elements to be
  emitted.