# File lib/webmock/http_lib_adapters/typhoeus_hydra_adapter.rb, line 30
        def self.add_after_request_callback
          unless Typhoeus::Hydra.
            global_hooks[:after_request_before_on_complete].
              include?(AFTER_REQUEST_CALLBACK)
            Typhoeus::Hydra.
              global_hooks[:after_request_before_on_complete] << AFTER_REQUEST_CALLBACK
          end
        end