模組 ActiveRecord::Coders

• activerecord/lib/active_record.rb
• activerecord/lib/active_record/attribute_methods/serialization.rb
• activerecord/lib/active_record/coders/column_serializer.rb
• activerecord/lib/active_record/coders/json.rb
• activerecord/lib/active_record/coders/yaml_column.rb
• activerecord/lib/active_record/store.rb
• activestorage/app/models/active_storage/blob.rb