Man pages matching name ipc::run::safehandles in section 3pm:

IPC::Run::SafeHandles.3pm.en	debian 10 / libipc-run-safehandles-perl
IPC::Run::SafeHandles.3pm.en	debian 11 / libipc-run-safehandles-perl
IPC::Run::SafeHandles.3pm.en	debian 12 / libipc-run-safehandles-perl