def synchronizable_for_types(types)
      @synchronizable_fields.select do |field_description|
        types.include?(field_description[:type])
      end.collect do |field_description|
        field_description[:field]
      end
    end
def synchronizable_for_types(types)
      @synchronizable_fields.select do |field_description|
        types.include?(field_description[:type])
      end.collect do |field_description|
        field_description[:field]
      end
    end
Fields that should be synchronized on types specified
 in argument
 @param [Array<Symbol>] Types
 @return [Array<Symbol>] Fields