??0IFFUpgradeEventObserver@@QEAA@$$QEAV0@@Z
??0IFFUpgradeEventObserver@@QEAA@AEBV0@@Z
??0IFFUpgradeEventObserver@@QEAA@XZ
??0IFFUpgradeService@@QEAA@$$QEAV0@@Z
??0IFFUpgradeService@@QEAA@AEBV0@@Z
??0IFFUpgradeService@@QEAA@XZ
??4IFFUpgradeEventObserver@@QEAAAEAV0@$$QEAV0@@Z
??4IFFUpgradeEventObserver@@QEAAAEAV0@AEBV0@@Z
??4IFFUpgradeService@@QEAAAEAV0@$$QEAV0@@Z
??4IFFUpgradeService@@QEAAAEAV0@AEBV0@@Z
??_7IFFUpgradeEventObserver@@6B@
??_7IFFUpgradeService@@6B@
createUpgradeService
releaseUpgradeService