prepare

# File activerecord/lib/active_record/store.rb, line 277
        def self.prepare(object, attribute)
          store_object = object.public_send(attribute)

          unless store_object.is_a?(ActiveSupport::HashWithIndifferentAccess)
            store_object = IndifferentCoder.as_indifferent_hash(store_object)
            object.public_send :"#{attribute}=", store_object
          end

          store_object
        end