Man pages matching name moose::meta::attribute::custom::trait::chained in section 3pm:

Moose::Meta::Attribute::Custom::Trait::Chained.3pm.en	debian 10 / libmoosex-attribute-chained-perl
Moose::Meta::Attribute::Custom::Trait::Chained.3pm.en	debian 11 / libmoosex-attribute-chained-perl
Moose::Meta::Attribute::Custom::Trait::Chained.3pm.en	debian 12 / libmoosex-attribute-chained-perl