Man pages matching name rdf::trinex::serializer::mockturtlesoup in section 3pm:

RDF::TrineX::Serializer::MockTurtleSoup.3pm.en	debian 10 / librdf-trinex-serializer-mockturtlesoup-perl
RDF::TrineX::Serializer::MockTurtleSoup.3pm.en	debian 11 / librdf-trinex-serializer-mockturtlesoup-perl
RDF::TrineX::Serializer::MockTurtleSoup.3pm.en	debian 12 / librdf-trinex-serializer-mockturtlesoup-perl