My understanding from unc0rr is that as long as trunk and .17 are in sync, they maintain the protocol number.
Once they desync, trunk gets a new one
//
// Prefix header for all source files of the 'CocoaTouchStaticLibrary' target in the 'CocoaTouchStaticLibrary' project.
//
#ifdef __OBJC__
#import <Foundation/Foundation.h>
#endif