Man pages matching name mousex::strictconstructor in section 3pm:

MouseX::StrictConstructor.3pm.en	debian 10 / libmousex-strictconstructor-perl
MouseX::StrictConstructor.3pm.en	debian 11 / libmousex-strictconstructor-perl
MouseX::StrictConstructor.3pm.en	debian 12 / libmousex-strictconstructor-perl