Required Files
- active_support/core_ext/array
- active_support/core_ext/hash/except
- active_support/core_ext/kernel/singleton_class
- active_support/core_ext/object/blank
- active_support/core_ext/class/attribute
Classes and Modules
- MODULE ActiveRecord
- MODULE ActiveRecord::NamedScope
- MODULE ActiveRecord::NamedScope::ClassMethods