Sorry for the very late reply.
What I meant was something like what has been asked here:
That thread has a negative answer, so I guess this will have the same; I’m posting this just to clarify my question.
What I meant is i.e. for when adding a table, instead of:
to have the Headers property already set (but still changeable by the user that is adding the table):
or even the Stylesheet Classes already valued:
