mastodon/app/models/user_group.rb

# == Schema Information
#
# Table name: user_groups
#
#  id         :bigint(8)        not null, primary key
#  name       :string           not null
#  createdAt  :datetime
#  visibility :string
#  account_id :integer
#  creator_id :integer
#  created_at :datetime         not null
#  updated_at :datetime         not null
#

class UserGroup < ApplicationRecord
end