Man pages matching name devel::callchecker in section 3pm:

Devel::CallChecker.3pm.en	debian 10 / libdevel-callchecker-perl
Devel::CallChecker.3pm.en	debian 11 / libdevel-callchecker-perl
Devel::CallChecker.3pm.en	debian 12 / libdevel-callchecker-perl