app/services/checklist/json/history_content.rb
module Checklist::Json::HistoryContent
def content(json_file)
json_file << @taxon_concepts_rel.active_model_serializer.new(
@taxon_concepts_rel,
:each_serializer => Checklist::HistoryTaxonConceptSerializer,
:authors => @authors
).to_json
end
end