process_preserved_original_columns

# File activerecord/lib/active_record/encryption/encrypted_fixtures.rb, line 26
        def process_preserved_original_columns(fixture, model_class)
          model_class&.encrypted_attributes&.each do |attribute_name|
            if source_attribute_name = model_class.source_attribute_from_preserved_attribute(attribute_name)
              clean_value = @clean_values[source_attribute_name.to_s]
              type = model_class.type_for_attribute(attribute_name)
              encrypted_value = type.serialize(clean_value)
              fixture[attribute_name.to_s] = encrypted_value
            end
          end
        end