In some cases remove_representation got 2x times faster (when there were a lot representation items that are not IfcTessellatedFaceSets).
getattr with attribute that might not be present on the element could be much slower then checking it's class explicitly.
1) `do_not_delete` performs best when it's set
2) also_consider when `element` related elements go first, so there will be no need to traverse all other elements to see if they cover `element`'s inverses.
check schema version instead of accessing attribute directly (hasattr under the hood is just doing getattr and checking whether it returns AttributeError), so one less IFC access
Similar thing with element.Item to access IFC just once.
I guess this is a Bonsaism but it makes sense as named profiles are
significant, and it isn't the first time materials and profiles have
been treated as "rooted" in a sense. It's also annoying to keep on
having my profile library drop off when I'm just switching profiles.
Andrej730