Remove "Optional" wrapper around function names.
Remove "Optional" wrapper around function names.

kostiakoval/Swell,ricobeck/Swell,hubertr/Swell,Staance/Swell,kostiakoval/Swell,hubertr/Swell,Staance/Swell,ricobeck/Swell,kostiakoval/Swell,kostiakoval/Swell,hubertr/Swell