Required Files
- active_support/core_ext/array/wrap
- active_support/core_ext/enumerable
- active_support/core_ext/module/delegation
- active_support/core_ext/object/blank
- active_support/core_ext/string/conversions
- active_support/core_ext/module/remove_method
- active_support/core_ext/class/attribute
Classes and Modules
- MODULE ActiveRecord