# libScePatchCheckerClient technical debt ### Unknown function info - [scePatchCheckerCancel, scePatchCheckerCheckPatch, scePatchCheckerCreateHandler, scePatchCheckerDestroyHandler, scePatchCheckerDisableAutoDownload, scePatchCheckerEnableAutoDownload, scePatchCheckerGetApplicableTick, scePatchCheckerGetPackageInfo, scePatchCheckerInitialize, scePatchCheckerRequestCheckPatch, scePatchCheckerRequestCheckPatchByType and scePatchCheckerTerminate](../../../core/libs/prx/libScePatchCheckerClient/Export.cpp) (libScePatchCheckerClient) - names and NIDs are present in the [PS5 3.20 export inventory](https://github.com/DNNDHH/PS5-3.20_Libs/blob/b2a77c09cd71c01f34c790cfbe98c751a13262ad/libScePatchCheckerClient.c), but no credible prototypes were found. The declarations have no parameters solely to resolve known imports; this is not an ABI claim and callers must not call them until signatures are verified