method_added

# File activesupport/lib/active_support/current_attributes.rb, line 186
        def method_added(name)
          super

          # We try to generate instance delegators early to not rely on method_missing.
          return if name == :initialize

          # If the added method isn't public, we don't delegate it.
          return unless public_method_defined?(name)

          # If we already have a class method by that name, we don't override it.
          return if singleton_class.method_defined?(name) || singleton_class.private_method_defined?(name)

          Delegation.generate(singleton_class, [name], to: :instance, as: self, nilable: false)
        end