Man pages matching name dbix::class::deploymenthandler::manual::intro in section 3pm:

DBIx::Class::DeploymentHandler::Manual::Intro.3pm.en	debian 10 / libdbix-class-deploymenthandler-perl
DBIx::Class::DeploymentHandler::Manual::Intro.3pm.en	debian 11 / libdbix-class-deploymenthandler-perl
DBIx::Class::DeploymentHandler::Manual::Intro.3pm.en	debian 12 / libdbix-class-deploymenthandler-perl