# File lib/sns_importer.rb, line 54
  def clean_sns_attributes(sheet, attrs)
    clean_attrs = attrs.dup
    clean_attrs.delete_if { |att|
      att[0].to_s.match(/^(lock_version|id|content|filter_id|name|class_name)$/) || !sheet.respond_to?("#{att[0]}=")
    }
    clean_attrs
  end