# File lib/rack/websocket/extensions/common.rb, line 6
        def self.included(base)
          base.class_eval do
            alias :receive_data_without_websocket :receive_data
            alias :receive_data :receive_data_with_websocket

            alias :unbind_without_websocket :unbind
            alias :unbind :unbind_with_websocket

            alias :receive_data_without_flash_policy_file :receive_data
            alias :receive_data :receive_data_with_flash_policy_file
          end
        end