method_added

# File activerecord/lib/active_record/callbacks.rb, line 250
      def method_added(meth)
        super
        if CALLBACKS.include?(meth.to_sym)
          ActiveSupport::Deprecation.warn("Base##{meth} has been deprecated, please use Base.#{meth} :method instead", caller[0,1])
          send(meth.to_sym, meth.to_sym)
        end
      end