System/Library/PrivateFrameworks/SpringBoardServices.framework

SBSSoftwareUpdateService.h

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1. NSObject
2. >
3. SBSAbstractFacilityService
4. >
5. SBSAbstractSystemService

@interface SBSSoftwareUpdateService : SBSAbstractSystemService

@property (nonatomic) long long passcodePolicy;

@end