Toggle Low Power Mode programmatically on iOS 16+

LPM.m

// iOS 16+
// _CDBatterySaver class doesn't exist on versions higher than 16.0

@interface _PMLowPowerMode : NSObject
+ (id)sharedInstance;
- (NSInteger)getPowerMode;
- (void)setPowerMode:(NSInteger)arg0 fromSource:(id)arg1;
- (void)setPowerMode:(NSInteger)arg0 fromSource:(id)arg1 withCompletion:(id)arg2; // Don't use if completion is nil, callback requires non null parameter
@end

%hook Class
- (void)toggleLowPower {
  _PMLowPowerMode *lowPowerMode = [%c(_PMLowPowerMode) sharedInstance];
	BOOL active = [lowPowerMode getPowerMode] == 1;
	[lowPowerMode setPowerMode:!active fromSource:@"SpringBoard"];
}
%end