What is the api way not pdb

[trandoductin]

to get bounds
or check to see if there is a selection present?
as pdb. is slow for me when i do repeated operations.

I tried looking at the api documentation but I don't know the syntax to call gimp_selection_is_empty?

image.selection.width is always width of image it's so weird.

I need this in order to speed up this knitted look 2.10 plugin