Man pages matching name devel::declare::parser in section 3pm:

Devel::Declare::Parser.3pm.en	debian 10 / libdevel-declare-parser-perl
Devel::Declare::Parser.3pm.en	debian 11 / libdevel-declare-parser-perl
Devel::Declare::Parser.3pm.en	debian 12 / libdevel-declare-parser-perl