Buffer(10)); },
        {},
        undefined,
        "ArrayBufferView request sends no Content-Type without setRequestHeader() call"
      )
      request(
        function _Uint8Array() { return new Uint8Array(new ArrayBuffer(10)); },
        {"Content-Type": "application/xml;charset=ASCII"},
        "application/xml;charset=ASCII",
        "ArrayBufferView request keeps setRequestHeader() Content-Type and charset"
      )
      request(
        function _FormData() { return new FormData(); },
        {"