call(env) public

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# File actionpack/lib/action_dispatch/middleware/request_id.rb, line 19
    def call(env)
      env["action_dispatch.request_id"] = external_request_id(env) || internal_request_id
      @app.call(env).tap { |_status, headers, _body| headers["X-Request-Id"] = env["action_dispatch.request_id"] }
    end
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