System/Library/PrivateFrameworks/BookUtility.framework

BUSandboxExtension.h

Download BUSandboxExtension.h

1. NSObject

@interface BUSandboxExtension : NSObject {
    long long _extensionHandle;
}

- (void)close;
- (void)dealloc;
- (id)initWithExtensionToken:(const char *)a0;

@end