Ask the designer
Generally there are three options:
Stacker doors are your general slider which comes in 3-6 panels depending on the opening size. It is a cost effective solution and gives you a big opening, however the tracks holding the doors are wide and may not fit the depth of the wall.
Centre opening 4 panel sliders is another cost effective solution and also have minimal track width. Their only drawback is that they do not provide as much opening as other options.
Bi-fold doors are very fashionable and provide the greatest opening with minimal track width. The drawback is the cost and is difficult to install flyscreens.
Check out some of your local door and windows manufacture for more ideas.