"""
Classes from the 'ExtensionFoundation' framework.
"""

try:
    from rubicon.objc import ObjCClass
except ValueError:

    def ObjCClass(name):
        return None


def _Class(name):
    try:
        return ObjCClass(name)
    except NameError:
        return None


_EXExtensionPoint = _Class("_EXExtensionPoint")
EXDefaults = _Class("EXDefaults")
EXCacheBuilder = _Class("EXCacheBuilder")
EXOSExtensionEnumerator = _Class("EXOSExtensionEnumerator")
EXExtensionPointEnumerator = _Class("EXExtensionPointEnumerator")
EXEnumerator = _Class("EXEnumerator")
