class RuboCop::Cop::Rails::BelongsTo

def on_send(node)
  opt = extract_required_option(node)
  return unless opt
  return unless match_required_true?(opt) || match_required_false?(opt)
  message =
    if match_required_true?(opt)
      SUPERFLOUS_REQUIRE_TRUE_MSG
    elsif match_required_false?(opt)
      SUPERFLOUS_REQUIRE_FALSE_MSG
    end
  add_offense(node, message: message, location: :selector)
end