System/Library/PrivateFrameworks/InstallProgress.framework
IPPhaseState.h
@interface IPPhaseState : NSObject <NSSecureCoding> {
unsigned long long _totalUnitCount;
unsigned long long _completedUnitCount;
}
@property (class, readonly) BOOL supportsSecureCoding;
- (void)encodeWithCoder:(id)a0;
- (id)initWithCoder:(id)a0;
@end