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 #import "/path/to/prefslistcontroller.h"

NSBundle *bundle = [NSBundle bundleWithPath:@"/Library/PreferenceBundles/yourtweakprefs.bundle"];

[bundle load];

if ([bundle isLoaded]) {
    UIViewController *hosted = [[UINavigationController alloc] initWithRootViewController:[%c(TweakPrefsListController) new]];
}

// present as UIViewController