app/serializers/checklist/timeline_event_serializer.rb
class Checklist::TimelineEventSerializer < ActiveModel::Serializer
attributes :id, :change_type_name, :species_listing_name,
:effective_at_formatted, :party_id, :is_current, :auto_note, :short_note,
:full_note, :hash_full_note, :hash_ann_symbol, :hash_ann_parent_symbol,
:inherited_short_note, :inherited_full_note, :nomenclature_note,
:pos
end