    # File lib/rack/methodoverride.rb, line 13
        def call(env)
          if allowed_methods.include?(env[REQUEST_METHOD])
            method = method_override(env)
            if HTTP_METHODS.include?(method)
              env["rack.methodoverride.original_method"] = env[REQUEST_METHOD]
              env[REQUEST_METHOD] = method
            end
          end

          @app.call(env)
        end