For my script I need to recursively iterate through bpy hierarchy and check if attributes suit several conditions. One of those conditions is if the attribute is an instance of the <class bpy_prop_array>, e.g. object Bounding Box. It can be done with Python embedded isinstance() method, but I need an access to the class itself. How can I get access to bpy_prop_array class? Where is it situated and how can it be imported to the script for this purpose? Or maybe there is some other way to check this condition?
I searched in bpy.types, in mathutils, in bpy_extras subclasses but could not find anything relative.