ActiveSupport BasicObject class BasicObject Ruby on Rails 3.1.12 Since v2.2.3 Last seen in v3.2.22.5 Available in: v2.2.3 v2.3.18 v3.0.20 v3.1.12 v3.2.22.5 Compare with: … v2.2.3 v2.3.18 v3.0.20 v3.2.22.5 A class with no predefined methods that behaves similarly to Builder’s BlankSlate. Used for proxy classes. Inherits from BasicObject Methods (defined here) # raise Used by Subclasses (1) ActiveSupport::Duration