Man pages matching name mousex::nativetraits::methodprovider::coderef in section 3pm:

MouseX::NativeTraits::MethodProvider::CodeRef.3pm.en	debian 10 / libmousex-nativetraits-perl
MouseX::NativeTraits::MethodProvider::CodeRef.3pm.en	debian 11 / libmousex-nativetraits-perl
MouseX::NativeTraits::MethodProvider::CodeRef.3pm.en	debian 12 / libmousex-nativetraits-perl