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#include <qglobal.h>
#import <objc/objc-class.h>

QT_BEGIN_NAMESPACE

void qt_cocoa_change_implementation(Class baseClass, SEL originalSel, Class proxyClass, SEL replacementSel = 0, SEL backupSel = 0);
void qt_cocoa_change_back_implementation(Class baseClass, SEL originalSel, SEL backupSel);

QT_END_NAMESPACE