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  4.     <title>DataResponse Structure Reference</title>
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  53.       DataResponse Structure Reference
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  69.                 <a class="nav-group-task-link" href="../Classes/DownloadRequest/DownloadOptions.html">– DownloadOptions</a>
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  128.                 <a class="nav-group-task-link" href="../Enums/AFError/ResponseSerializationFailureReason.html">– ResponseSerializationFailureReason</a>
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  171.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire2eeoiSbAA26NetworkReachabilityManagerC0cD6StatusO_AFtF">==(_:_:)</a>
    172. 

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  174.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire8downloadAA15DownloadRequestCAA14URLConvertible_p_AA10HTTPMethodO6methods10DictionaryVySSypGSg10parametersAA17ParameterEncoding_p8encodingAJyS2SGSg7headers10Foundation3URLV011destinationO0_AD0C7OptionsV7optionstAU_So15HTTPURLResponseCtcSg2totF">download(_:method:parameters:encoding:headers:to:)</a>
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  177.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire8downloadAA15DownloadRequestCAA21URLRequestConvertible_p_10Foundation3URLV011destinationH0_AD0C7OptionsV7optionstAH_So15HTTPURLResponseCtcSg2totF">download(_:to:)</a>
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  183.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire7requestAA11DataRequestCAA21URLRequestConvertible_pF">request(_:)</a>
    184. 

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    185. 

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    186. 

  186.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire7requestAA11DataRequestCAA14URLConvertible_p_AA10HTTPMethodO6methods10DictionaryVySSypGSg10parametersAA17ParameterEncoding_p8encodingAJyS2SGSg7headerstF">request(_:method:parameters:encoding:headers:)</a>
    187. 

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  189.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6streamAA13StreamRequestCSo10NetServiceC4with_tF">stream(with:)</a>
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    192. 

  192.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6streamAA13StreamRequestCSS12withHostName_Si4porttF">stream(withHostName:port:)</a>
    193. 

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    195. 

  195.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6uploadAA13UploadRequestC10Foundation3URLV_AA14URLConvertible_p2toAA10HTTPMethodO6methods10DictionaryVyS2SGSg7headerstF">upload(_:to:method:headers:)</a>
    196. 

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  198.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6uploadAA13UploadRequestC10Foundation4DataV_AA14URLConvertible_p2toAA10HTTPMethodO6methods10DictionaryVyS2SGSg7headerstF">upload(_:to:method:headers:)</a>
    199. 

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    201. 

  201.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6uploadAA13UploadRequestCSo11InputStreamC_AA14URLConvertible_p2toAA10HTTPMethodO6methods10DictionaryVyS2SGSg7headerstF">upload(_:to:method:headers:)</a>
    202. 

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    204. 

  204.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6uploadAA13UploadRequestC10Foundation3URLV_AA21URLRequestConvertible_p4withtF">upload(_:with:)</a>
    205. 

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  206.               <li class="nav-group-task">
    207. 

  207.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6uploadAA13UploadRequestC10Foundation4DataV_AA21URLRequestConvertible_p4withtF">upload(_:with:)</a>
    208. 

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  209.               <li class="nav-group-task">
    210. 

  210.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6uploadAA13UploadRequestCSo11InputStreamC_AA21URLRequestConvertible_p4withtF">upload(_:with:)</a>
    211. 

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    213. 

  213.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6uploadyyAA17MultipartFormDataCc09multipartdE0_s6UInt64V14usingThresholdAA14URLConvertible_p2toAA10HTTPMethodO6methods10DictionaryVyS2SGSg7headersyAA14SessionManagerC0cdE14EncodingResultOcSg18encodingCompletiontF">upload(multipartFormData:usingThreshold:to:method:headers:encodingCompletion:)</a>
    214. 

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    215. 

  215.               <li class="nav-group-task">
    216. 

  216.                 <a class="nav-group-task-link" href="../Functions.html#/s:9Alamofire6uploadyyAA17MultipartFormDataCc09multipartdE0_s6UInt64V14usingThresholdAA21URLRequestConvertible_p4withyAA14SessionManagerC0cdE14EncodingResultOcSg18encodingCompletiontF">upload(multipartFormData:usingThreshold:with:encodingCompletion:)</a>
    217. 

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  221.             <a class="nav-group-name-link" href="../Protocols.html">Protocols</a>
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  224.                 <a class="nav-group-task-link" href="../Protocols/DataResponseSerializerProtocol.html">DataResponseSerializerProtocol</a>
    225. 

  225.               </li>
    226. 

  226.               <li class="nav-group-task">
    227. 

  227.                 <a class="nav-group-task-link" href="../Protocols/DownloadResponseSerializerProtocol.html">DownloadResponseSerializerProtocol</a>
    228. 

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    229. 

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    230. 

  230.                 <a class="nav-group-task-link" href="../Protocols/ParameterEncoding.html">ParameterEncoding</a>
    231. 

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    234. 

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  236.                 <a class="nav-group-task-link" href="../Protocols/RequestRetrier.html">RequestRetrier</a>
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  239.                 <a class="nav-group-task-link" href="../Protocols/URLConvertible.html">URLConvertible</a>
    240. 

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  242.                 <a class="nav-group-task-link" href="../Protocols/URLRequestConvertible.html">URLRequestConvertible</a>
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    249. 

  249.               <li class="nav-group-task">
    250. 

  250.                 <a class="nav-group-task-link" href="../Structs/DataResponse.html">DataResponse</a>
    251. 

  251.               </li>
    252. 

  252.               <li class="nav-group-task">
    253. 

  253.                 <a class="nav-group-task-link" href="../Structs/DataResponseSerializer.html">DataResponseSerializer</a>
    254. 

  254.               </li>
    255. 

  255.               <li class="nav-group-task">
    256. 

  256.                 <a class="nav-group-task-link" href="../Structs/DefaultDataResponse.html">DefaultDataResponse</a>
    257. 

  257.               </li>
    258. 

  258.               <li class="nav-group-task">
    259. 

  259.                 <a class="nav-group-task-link" href="../Structs/DefaultDownloadResponse.html">DefaultDownloadResponse</a>
    260. 

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  261.               <li class="nav-group-task">
    262. 

  262.                 <a class="nav-group-task-link" href="../Structs/DownloadResponse.html">DownloadResponse</a>
    263. 

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  264.               <li class="nav-group-task">
    265. 

  265.                 <a class="nav-group-task-link" href="../Structs/DownloadResponseSerializer.html">DownloadResponseSerializer</a>
    266. 

  266.               </li>
    267. 

  267.               <li class="nav-group-task">
    268. 

  268.                 <a class="nav-group-task-link" href="../Structs/JSONEncoding.html">JSONEncoding</a>
    269. 

  269.               </li>
    270. 

  270.               <li class="nav-group-task">
    271. 

  271.                 <a class="nav-group-task-link" href="../Structs/PropertyListEncoding.html">PropertyListEncoding</a>
    272. 

  272.               </li>
    273. 

  273.               <li class="nav-group-task">
    274. 

  274.                 <a class="nav-group-task-link" href="../Structs/Timeline.html">Timeline</a>
    275. 

  275.               </li>
    276. 

  276.               <li class="nav-group-task">
    277. 

  277.                 <a class="nav-group-task-link" href="../Structs/URLEncoding.html">URLEncoding</a>
    278. 

  278.               </li>
    279. 

  279.               <li class="nav-group-task">
    280. 

  280.                 <a class="nav-group-task-link" href="../Structs/URLEncoding/Destination.html">– Destination</a>
    281. 

  281.               </li>
    282. 

  282.               <li class="nav-group-task">
    283. 

  283.                 <a class="nav-group-task-link" href="../Structs/URLEncoding/ArrayEncoding.html">– ArrayEncoding</a>
    284. 

  284.               </li>
    285. 

  285.               <li class="nav-group-task">
    286. 

  286.                 <a class="nav-group-task-link" href="../Structs/URLEncoding/BoolEncoding.html">– BoolEncoding</a>
    287. 

  287.               </li>
    288. 

  288.             </ul>
    289. 

  289.           </li>
    290. 

  290.           <li class="nav-group-name">
    291. 

  291.             <a class="nav-group-name-link" href="../Typealiases.html">Type Aliases</a>
    292. 

  292.             <ul class="nav-group-tasks">
    293. 

  293.               <li class="nav-group-task">
    294. 

  294.                 <a class="nav-group-task-link" href="../Typealiases.html#/s:9Alamofire11HTTPHeadersa">HTTPHeaders</a>
    295. 

  295.               </li>
    296. 

  296.               <li class="nav-group-task">
    297. 

  297.                 <a class="nav-group-task-link" href="../Typealiases.html#/s:9Alamofire10Parametersa">Parameters</a>
    298. 

  298.               </li>
    299. 

  299.               <li class="nav-group-task">
    300. 

  300.                 <a class="nav-group-task-link" href="../Typealiases.html#/s:9Alamofire22RequestRetryCompletiona">RequestRetryCompletion</a>
    301. 

  301.               </li>
    302. 

  302.             </ul>
    303. 

  303.           </li>
    304. 

  304.         </ul>
    305. 

  305.       </nav>
    306. 

  306.       <article class="main-content">
    307. 

  307. 

  308.         <section class="section">
    309. 

  309.           <div class="section-content">
    310. 

  310.             <h1>DataResponse</h1>
    311. 

  311.               <div class="declaration">
    312. 

  312.                 <div class="language">
    313. 

  313.                   <pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">struct</span> <span class="kt">DataResponse</span><span class="o">&lt;</span><span class="kt">Value</span><span class="o">&gt;</span></code></pre>
    314. 

  314. 

  315.                 </div>
    316. 

  316.               </div>
    317. 

  317.             <p>Used to store all data associated with a serialized response of a data or upload request.</p>
    318. 

  318. 

  319.           </div>
    320. 

  320.         </section>
    321. 

  321. 

  322.         <section class="section">
    323. 

  323.           <div class="section-content">
    324. 

  324.             <div class="task-group">
    325. 

  325.               <ul class="item-container">
    326. 

  326.                 <li class="item">
    327. 

  327.                   <div>
    328. 

  328.                     <code>
    329. 

  329.                     <a name="/s:9Alamofire12DataResponseV7request10Foundation10URLRequestVSgvp"></a>
    330. 

  330.                     <a name="//apple_ref/swift/Property/request" class="dashAnchor"></a>
    331. 

  331.                     <a class="token" href="#/s:9Alamofire12DataResponseV7request10Foundation10URLRequestVSgvp">request</a>
    332. 

  332.                     </code>
    333. 

  333.                   </div>
    334. 

  334.                   <div class="height-container">
    335. 

  335.                     <div class="pointer-container"></div>
    336. 

  336.                     <section class="section">
    337. 

  337.                       <div class="pointer"></div>
    338. 

  338.                       <div class="abstract">
    339. 

  339.                         <p>The URL request sent to the server.</p>
    340. 

  340. 

  341.                       </div>
    342. 

  342.                       <div class="declaration">
    343. 

  343.                         <h4>Declaration</h4>
    344. 

  344.                         <div class="language">
    345. 

  345.                           <p class="aside-title">Swift</p>
    346. 

  346.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="k">let</span> <span class="nv">request</span><span class="p">:</span> <span class="kt">URLRequest</span><span class="p">?</span></code></pre>
    347. 

  347. 

  348.                         </div>
    349. 

  349.                       </div>
    350. 

  350.                     </section>
    351. 

  351.                   </div>
    352. 

  352.                 </li>
    353. 

  353.                 <li class="item">
    354. 

  354.                   <div>
    355. 

  355.                     <code>
    356. 

  356.                     <a name="/s:9Alamofire12DataResponseV8responseSo15HTTPURLResponseCSgvp"></a>
    357. 

  357.                     <a name="//apple_ref/swift/Property/response" class="dashAnchor"></a>
    358. 

  358.                     <a class="token" href="#/s:9Alamofire12DataResponseV8responseSo15HTTPURLResponseCSgvp">response</a>
    359. 

  359.                     </code>
    360. 

  360.                   </div>
    361. 

  361.                   <div class="height-container">
    362. 

  362.                     <div class="pointer-container"></div>
    363. 

  363.                     <section class="section">
    364. 

  364.                       <div class="pointer"></div>
    365. 

  365.                       <div class="abstract">
    366. 

  366.                         <p>The server&rsquo;s response to the URL request.</p>
    367. 

  367. 

  368.                       </div>
    369. 

  369.                       <div class="declaration">
    370. 

  370.                         <h4>Declaration</h4>
    371. 

  371.                         <div class="language">
    372. 

  372.                           <p class="aside-title">Swift</p>
    373. 

  373.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="k">let</span> <span class="nv">response</span><span class="p">:</span> <span class="kt">HTTPURLResponse</span><span class="p">?</span></code></pre>
    374. 

  374. 

  375.                         </div>
    376. 

  376.                       </div>
    377. 

  377.                     </section>
    378. 

  378.                   </div>
    379. 

  379.                 </li>
    380. 

  380.                 <li class="item">
    381. 

  381.                   <div>
    382. 

  382.                     <code>
    383. 

  383.                     <a name="/s:9Alamofire12DataResponseV4data10Foundation0B0VSgvp"></a>
    384. 

  384.                     <a name="//apple_ref/swift/Property/data" class="dashAnchor"></a>
    385. 

  385.                     <a class="token" href="#/s:9Alamofire12DataResponseV4data10Foundation0B0VSgvp">data</a>
    386. 

  386.                     </code>
    387. 

  387.                   </div>
    388. 

  388.                   <div class="height-container">
    389. 

  389.                     <div class="pointer-container"></div>
    390. 

  390.                     <section class="section">
    391. 

  391.                       <div class="pointer"></div>
    392. 

  392.                       <div class="abstract">
    393. 

  393.                         <p>The data returned by the server.</p>
    394. 

  394. 

  395.                       </div>
    396. 

  396.                       <div class="declaration">
    397. 

  397.                         <h4>Declaration</h4>
    398. 

  398.                         <div class="language">
    399. 

  399.                           <p class="aside-title">Swift</p>
    400. 

  400.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="k">let</span> <span class="nv">data</span><span class="p">:</span> <span class="kt">Data</span><span class="p">?</span></code></pre>
    401. 

  401. 

  402.                         </div>
    403. 

  403.                       </div>
    404. 

  404.                     </section>
    405. 

  405.                   </div>
    406. 

  406.                 </li>
    407. 

  407.                 <li class="item">
    408. 

  408.                   <div>
    409. 

  409.                     <code>
    410. 

  410.                     <a name="/s:9Alamofire12DataResponseV6resultAA6ResultOyxGvp"></a>
    411. 

  411.                     <a name="//apple_ref/swift/Property/result" class="dashAnchor"></a>
    412. 

  412.                     <a class="token" href="#/s:9Alamofire12DataResponseV6resultAA6ResultOyxGvp">result</a>
    413. 

  413.                     </code>
    414. 

  414.                   </div>
    415. 

  415.                   <div class="height-container">
    416. 

  416.                     <div class="pointer-container"></div>
    417. 

  417.                     <section class="section">
    418. 

  418.                       <div class="pointer"></div>
    419. 

  419.                       <div class="abstract">
    420. 

  420.                         <p>The result of response serialization.</p>
    421. 

  421. 

  422.                       </div>
    423. 

  423.                       <div class="declaration">
    424. 

  424.                         <h4>Declaration</h4>
    425. 

  425.                         <div class="language">
    426. 

  426.                           <p class="aside-title">Swift</p>
    427. 

  427.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="k">let</span> <span class="nv">result</span><span class="p">:</span> <span class="kt"><a href="../Enums/Result.html">Result</a></span><span class="o">&lt;</span><span class="kt">Value</span><span class="o">&gt;</span></code></pre>
    428. 

  428. 

  429.                         </div>
    430. 

  430.                       </div>
    431. 

  431.                     </section>
    432. 

  432.                   </div>
    433. 

  433.                 </li>
    434. 

  434.                 <li class="item">
    435. 

  435.                   <div>
    436. 

  436.                     <code>
    437. 

  437.                     <a name="/s:9Alamofire12DataResponseV8timelineAA8TimelineVvp"></a>
    438. 

  438.                     <a name="//apple_ref/swift/Property/timeline" class="dashAnchor"></a>
    439. 

  439.                     <a class="token" href="#/s:9Alamofire12DataResponseV8timelineAA8TimelineVvp">timeline</a>
    440. 

  440.                     </code>
    441. 

  441.                   </div>
    442. 

  442.                   <div class="height-container">
    443. 

  443.                     <div class="pointer-container"></div>
    444. 

  444.                     <section class="section">
    445. 

  445.                       <div class="pointer"></div>
    446. 

  446.                       <div class="abstract">
    447. 

  447.                         <p>The timeline of the complete lifecycle of the request.</p>
    448. 

  448. 

  449.                       </div>
    450. 

  450.                       <div class="declaration">
    451. 

  451.                         <h4>Declaration</h4>
    452. 

  452.                         <div class="language">
    453. 

  453.                           <p class="aside-title">Swift</p>
    454. 

  454.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="k">let</span> <span class="nv">timeline</span><span class="p">:</span> <span class="kt"><a href="../Structs/Timeline.html">Timeline</a></span></code></pre>
    455. 

  455. 

  456.                         </div>
    457. 

  457.                       </div>
    458. 

  458.                     </section>
    459. 

  459.                   </div>
    460. 

  460.                 </li>
    461. 

  461.                 <li class="item">
    462. 

  462.                   <div>
    463. 

  463.                     <code>
    464. 

  464.                     <a name="/s:9Alamofire12DataResponseV5valuexSgvp"></a>
    465. 

  465.                     <a name="//apple_ref/swift/Property/value" class="dashAnchor"></a>
    466. 

  466.                     <a class="token" href="#/s:9Alamofire12DataResponseV5valuexSgvp">value</a>
    467. 

  467.                     </code>
    468. 

  468.                   </div>
    469. 

  469.                   <div class="height-container">
    470. 

  470.                     <div class="pointer-container"></div>
    471. 

  471.                     <section class="section">
    472. 

  472.                       <div class="pointer"></div>
    473. 

  473.                       <div class="abstract">
    474. 

  474.                         <p>Returns the associated value of the result if it is a success, <code>nil</code> otherwise.</p>
    475. 

  475. 

  476.                       </div>
    477. 

  477.                       <div class="declaration">
    478. 

  478.                         <h4>Declaration</h4>
    479. 

  479.                         <div class="language">
    480. 

  480.                           <p class="aside-title">Swift</p>
    481. 

  481.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">value</span><span class="p">:</span> <span class="kt">Value</span><span class="p">?</span></code></pre>
    482. 

  482. 

  483.                         </div>
    484. 

  484.                       </div>
    485. 

  485.                     </section>
    486. 

  486.                   </div>
    487. 

  487.                 </li>
    488. 

  488.                 <li class="item">
    489. 

  489.                   <div>
    490. 

  490.                     <code>
    491. 

  491.                     <a name="/s:9Alamofire12DataResponseV5errors5Error_pSgvp"></a>
    492. 

  492.                     <a name="//apple_ref/swift/Property/error" class="dashAnchor"></a>
    493. 

  493.                     <a class="token" href="#/s:9Alamofire12DataResponseV5errors5Error_pSgvp">error</a>
    494. 

  494.                     </code>
    495. 

  495.                   </div>
    496. 

  496.                   <div class="height-container">
    497. 

  497.                     <div class="pointer-container"></div>
    498. 

  498.                     <section class="section">
    499. 

  499.                       <div class="pointer"></div>
    500. 

  500.                       <div class="abstract">
    501. 

  501.                         <p>Returns the associated error value if the result if it is a failure, <code>nil</code> otherwise.</p>
    502. 

  502. 

  503.                       </div>
    504. 

  504.                       <div class="declaration">
    505. 

  505.                         <h4>Declaration</h4>
    506. 

  506.                         <div class="language">
    507. 

  507.                           <p class="aside-title">Swift</p>
    508. 

  508.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">error</span><span class="p">:</span> <span class="kt">Error</span><span class="p">?</span></code></pre>
    509. 

  509. 

  510.                         </div>
    511. 

  511.                       </div>
    512. 

  512.                     </section>
    513. 

  513.                   </div>
    514. 

  514.                 </li>
    515. 

  515.                 <li class="item">
    516. 

  516.                   <div>
    517. 

  517.                     <code>
    518. 

  518.                     <a name="/s:9Alamofire12DataResponseVACyxG10Foundation10URLRequestVSg7request_So15HTTPURLResponseCSg8responseAE0B0VSg4dataAA6ResultOyxG6resultAA8TimelineV8timelinetcfc"></a>
    519. 

  519.                     <a name="//apple_ref/swift/Method/init(request:response:data:result:timeline:)" class="dashAnchor"></a>
    520. 

  520.                     <a class="token" href="#/s:9Alamofire12DataResponseVACyxG10Foundation10URLRequestVSg7request_So15HTTPURLResponseCSg8responseAE0B0VSg4dataAA6ResultOyxG6resultAA8TimelineV8timelinetcfc">init(request:response:data:result:timeline:)</a>
    521. 

  521.                     </code>
    522. 

  522.                   </div>
    523. 

  523.                   <div class="height-container">
    524. 

  524.                     <div class="pointer-container"></div>
    525. 

  525.                     <section class="section">
    526. 

  526.                       <div class="pointer"></div>
    527. 

  527.                       <div class="abstract">
    528. 

  528.                         <p>Creates a <code>DataResponse</code> instance with the specified parameters derived from response serialization.</p>
    529. 

  529. 

  530.                       </div>
    531. 

  531.                       <div class="declaration">
    532. 

  532.                         <h4>Declaration</h4>
    533. 

  533.                         <div class="language">
    534. 

  534.                           <p class="aside-title">Swift</p>
    535. 

  535.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="nf">init</span><span class="p">(</span>
    536. 

  536.     <span class="nv">request</span><span class="p">:</span> <span class="kt">URLRequest</span><span class="p">?,</span>
    537. 

  537.     <span class="nv">response</span><span class="p">:</span> <span class="kt">HTTPURLResponse</span><span class="p">?,</span>
    538. 

  538.     <span class="nv">data</span><span class="p">:</span> <span class="kt">Data</span><span class="p">?,</span>
    539. 

  539.     <span class="nv">result</span><span class="p">:</span> <span class="kt"><a href="../Enums/Result.html">Result</a></span><span class="o">&lt;</span><span class="kt">Value</span><span class="o">&gt;</span><span class="p">,</span>
    540. 

  540.     <span class="nv">timeline</span><span class="p">:</span> <span class="kt"><a href="../Structs/Timeline.html">Timeline</a></span> <span class="o">=</span> <span class="kt"><a href="../Structs/Timeline.html">Timeline</a></span><span class="p">())</span></code></pre>
    541. 

  541. 

  542.                         </div>
    543. 

  543.                       </div>
    544. 

  544.                       <div>
    545. 

  545.                         <h4>Parameters</h4>
    546. 

  546.                         <table class="graybox">
    547. 

  547.                           <tbody>
    548. 

  548.                             <tr>
    549. 

  549.                               <td>
    550. 

  550.                                 <code>
    551. 

  551.                                 <em>request</em>
    552. 

  552.                                 </code>
    553. 

  553.                               </td>
    554. 

  554.                               <td>
    555. 

  555.                                 <div>
    556. 

  556.                                   <p>The URL request sent to the server.</p>
    557. 

  557.                                 </div>
    558. 

  558.                               </td>
    559. 

  559.                             </tr>
    560. 

  560.                             <tr>
    561. 

  561.                               <td>
    562. 

  562.                                 <code>
    563. 

  563.                                 <em>response</em>
    564. 

  564.                                 </code>
    565. 

  565.                               </td>
    566. 

  566.                               <td>
    567. 

  567.                                 <div>
    568. 

  568.                                   <p>The server&rsquo;s response to the URL request.</p>
    569. 

  569.                                 </div>
    570. 

  570.                               </td>
    571. 

  571.                             </tr>
    572. 

  572.                             <tr>
    573. 

  573.                               <td>
    574. 

  574.                                 <code>
    575. 

  575.                                 <em>data</em>
    576. 

  576.                                 </code>
    577. 

  577.                               </td>
    578. 

  578.                               <td>
    579. 

  579.                                 <div>
    580. 

  580.                                   <p>The data returned by the server.</p>
    581. 

  581.                                 </div>
    582. 

  582.                               </td>
    583. 

  583.                             </tr>
    584. 

  584.                             <tr>
    585. 

  585.                               <td>
    586. 

  586.                                 <code>
    587. 

  587.                                 <em>result</em>
    588. 

  588.                                 </code>
    589. 

  589.                               </td>
    590. 

  590.                               <td>
    591. 

  591.                                 <div>
    592. 

  592.                                   <p>The result of response serialization.</p>
    593. 

  593.                                 </div>
    594. 

  594.                               </td>
    595. 

  595.                             </tr>
    596. 

  596.                             <tr>
    597. 

  597.                               <td>
    598. 

  598.                                 <code>
    599. 

  599.                                 <em>timeline</em>
    600. 

  600.                                 </code>
    601. 

  601.                               </td>
    602. 

  602.                               <td>
    603. 

  603.                                 <div>
    604. 

  604.                                   <p>The timeline of the complete lifecycle of the <code><a href="../Classes/Request.html">Request</a></code>. Defaults to <code>Timeline()</code>.</p>
    605. 

  605.                                 </div>
    606. 

  606.                               </td>
    607. 

  607.                             </tr>
    608. 

  608.                           </tbody>
    609. 

  609.                         </table>
    610. 

  610.                       </div>
    611. 

  611.                       <div>
    612. 

  612.                         <h4>Return Value</h4>
    613. 

  613.                         <p>The new <code>DataResponse</code> instance.</p>
    614. 

  614.                       </div>
    615. 

  615.                     </section>
    616. 

  616.                   </div>
    617. 

  617.                 </li>
    618. 

  618.               </ul>
    619. 

  619.             </div>
    620. 

  620.             <div class="task-group">
    621. 

  621.               <ul class="item-container">
    622. 

  622.                 <li class="item">
    623. 

  623.                   <div>
    624. 

  624.                     <code>
    625. 

  625.                     <a name="/s:9Alamofire12DataResponseV11descriptionSSvp"></a>
    626. 

  626.                     <a name="//apple_ref/swift/Property/description" class="dashAnchor"></a>
    627. 

  627.                     <a class="token" href="#/s:9Alamofire12DataResponseV11descriptionSSvp">description</a>
    628. 

  628.                     </code>
    629. 

  629.                   </div>
    630. 

  630.                   <div class="height-container">
    631. 

  631.                     <div class="pointer-container"></div>
    632. 

  632.                     <section class="section">
    633. 

  633.                       <div class="pointer"></div>
    634. 

  634.                       <div class="abstract">
    635. 

  635.                         <p>The textual representation used when written to an output stream, which includes whether the result was a
    636. 

  636. success or failure.</p>
    637. 

  637. 

  638.                       </div>
    639. 

  639.                       <div class="declaration">
    640. 

  640.                         <h4>Declaration</h4>
    641. 

  641.                         <div class="language">
    642. 

  642.                           <p class="aside-title">Swift</p>
    643. 

  643.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">description</span><span class="p">:</span> <span class="kt">String</span></code></pre>
    644. 

  644. 

  645.                         </div>
    646. 

  646.                       </div>
    647. 

  647.                     </section>
    648. 

  648.                   </div>
    649. 

  649.                 </li>
    650. 

  650.                 <li class="item">
    651. 

  651.                   <div>
    652. 

  652.                     <code>
    653. 

  653.                     <a name="/s:9Alamofire12DataResponseV16debugDescriptionSSvp"></a>
    654. 

  654.                     <a name="//apple_ref/swift/Property/debugDescription" class="dashAnchor"></a>
    655. 

  655.                     <a class="token" href="#/s:9Alamofire12DataResponseV16debugDescriptionSSvp">debugDescription</a>
    656. 

  656.                     </code>
    657. 

  657.                   </div>
    658. 

  658.                   <div class="height-container">
    659. 

  659.                     <div class="pointer-container"></div>
    660. 

  660.                     <section class="section">
    661. 

  661.                       <div class="pointer"></div>
    662. 

  662.                       <div class="abstract">
    663. 

  663.                         <p>The debug textual representation used when written to an output stream, which includes the URL request, the URL
    664. 

  664. response, the server data, the response serialization result and the timeline.</p>
    665. 

  665. 

  666.                       </div>
    667. 

  667.                       <div class="declaration">
    668. 

  668.                         <h4>Declaration</h4>
    669. 

  669.                         <div class="language">
    670. 

  670.                           <p class="aside-title">Swift</p>
    671. 

  671.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">debugDescription</span><span class="p">:</span> <span class="kt">String</span></code></pre>
    672. 

  672. 

  673.                         </div>
    674. 

  674.                       </div>
    675. 

  675.                     </section>
    676. 

  676.                   </div>
    677. 

  677.                 </li>
    678. 

  678.               </ul>
    679. 

  679.             </div>
    680. 

  680.             <div class="task-group">
    681. 

  681.               <ul class="item-container">
    682. 

  682.                 <li class="item">
    683. 

  683.                   <div>
    684. 

  684.                     <code>
    685. 

  685.                     <a name="/s:9Alamofire12DataResponseV3mapACyqd__Gqd__xclF"></a>
    686. 

  686.                     <a name="//apple_ref/swift/Method/map(_:)" class="dashAnchor"></a>
    687. 

  687.                     <a class="token" href="#/s:9Alamofire12DataResponseV3mapACyqd__Gqd__xclF">map(_:)</a>
    688. 

  688.                     </code>
    689. 

  689.                   </div>
    690. 

  690.                   <div class="height-container">
    691. 

  691.                     <div class="pointer-container"></div>
    692. 

  692.                     <section class="section">
    693. 

  693.                       <div class="pointer"></div>
    694. 

  694.                       <div class="abstract">
    695. 

  695.                         <p>Evaluates the specified closure when the result of this <code>DataResponse</code> is a success, passing the unwrapped
    696. 

  696. result value as a parameter.</p>
    697. 

  697. 

  698. <p>Use the <code>map</code> method with a closure that does not throw. For example:</p>
    699. 

  699. <pre class="highlight swift"><code><span class="k">let</span> <span class="nv">possibleData</span><span class="p">:</span> <span class="kt">DataResponse</span><span class="o">&lt;</span><span class="kt">Data</span><span class="o">&gt;</span> <span class="o">=</span> <span class="o">...</span>
    700. 

  700. <span class="k">let</span> <span class="nv">possibleInt</span> <span class="o">=</span> <span class="n">possibleData</span><span class="o">.</span><span class="n">map</span> <span class="p">{</span> <span class="nv">$0</span><span class="o">.</span><span class="n">count</span> <span class="p">}</span>
    701. 

  701. </code></pre>
    702. 

  702. 

  703.                       </div>
    704. 

  704.                       <div class="declaration">
    705. 

  705.                         <h4>Declaration</h4>
    706. 

  706.                         <div class="language">
    707. 

  707.                           <p class="aside-title">Swift</p>
    708. 

  708.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">func</span> <span class="n">map</span><span class="o">&lt;</span><span class="kt">T</span><span class="o">&gt;</span><span class="p">(</span><span class="n">_</span> <span class="nv">transform</span><span class="p">:</span> <span class="p">(</span><span class="kt">Value</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kt">T</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kt">DataResponse</span><span class="o">&lt;</span><span class="kt">T</span><span class="o">&gt;</span></code></pre>
    709. 

  709. 

  710.                         </div>
    711. 

  711.                       </div>
    712. 

  712.                       <div>
    713. 

  713.                         <h4>Parameters</h4>
    714. 

  714.                         <table class="graybox">
    715. 

  715.                           <tbody>
    716. 

  716.                             <tr>
    717. 

  717.                               <td>
    718. 

  718.                                 <code>
    719. 

  719.                                 <em>transform</em>
    720. 

  720.                                 </code>
    721. 

  721.                               </td>
    722. 

  722.                               <td>
    723. 

  723.                                 <div>
    724. 

  724.                                   <p>A closure that takes the success value of the instance&rsquo;s result.</p>
    725. 

  725.                                 </div>
    726. 

  726.                               </td>
    727. 

  727.                             </tr>
    728. 

  728.                           </tbody>
    729. 

  729.                         </table>
    730. 

  730.                       </div>
    731. 

  731.                       <div>
    732. 

  732.                         <h4>Return Value</h4>
    733. 

  733.                         <p>A <code>DataResponse</code> whose result wraps the value returned by the given closure. If this instance&rsquo;s
    734. 

  734.        result is a failure, returns a response wrapping the same failure.</p>
    735. 

  735.                       </div>
    736. 

  736.                     </section>
    737. 

  737.                   </div>
    738. 

  738.                 </li>
    739. 

  739.                 <li class="item">
    740. 

  740.                   <div>
    741. 

  741.                     <code>
    742. 

  742.                     <a name="/s:9Alamofire12DataResponseV7flatMapACyqd__Gqd__xKclF"></a>
    743. 

  743.                     <a name="//apple_ref/swift/Method/flatMap(_:)" class="dashAnchor"></a>
    744. 

  744.                     <a class="token" href="#/s:9Alamofire12DataResponseV7flatMapACyqd__Gqd__xKclF">flatMap(_:)</a>
    745. 

  745.                     </code>
    746. 

  746.                   </div>
    747. 

  747.                   <div class="height-container">
    748. 

  748.                     <div class="pointer-container"></div>
    749. 

  749.                     <section class="section">
    750. 

  750.                       <div class="pointer"></div>
    751. 

  751.                       <div class="abstract">
    752. 

  752.                         <p>Evaluates the given closure when the result of this <code>DataResponse</code> is a success, passing the unwrapped result
    753. 

  753. value as a parameter.</p>
    754. 

  754. 

  755. <p>Use the <code>flatMap</code> method with a closure that may throw an error. For example:</p>
    756. 

  756. <pre class="highlight swift"><code><span class="k">let</span> <span class="nv">possibleData</span><span class="p">:</span> <span class="kt">DataResponse</span><span class="o">&lt;</span><span class="kt">Data</span><span class="o">&gt;</span> <span class="o">=</span> <span class="o">...</span>
    757. 

  757. <span class="k">let</span> <span class="nv">possibleObject</span> <span class="o">=</span> <span class="n">possibleData</span><span class="o">.</span><span class="n">flatMap</span> <span class="p">{</span>
    758. 

  758.     <span class="k">try</span> <span class="kt">JSONSerialization</span><span class="o">.</span><span class="nf">jsonObject</span><span class="p">(</span><span class="nv">with</span><span class="p">:</span> <span class="nv">$0</span><span class="p">)</span>
    759. 

  759. <span class="p">}</span>
    760. 

  760. </code></pre>
    761. 

  761. 

  762.                       </div>
    763. 

  763.                       <div class="declaration">
    764. 

  764.                         <h4>Declaration</h4>
    765. 

  765.                         <div class="language">
    766. 

  766.                           <p class="aside-title">Swift</p>
    767. 

  767.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">func</span> <span class="n">flatMap</span><span class="o">&lt;</span><span class="kt">T</span><span class="o">&gt;</span><span class="p">(</span><span class="n">_</span> <span class="nv">transform</span><span class="p">:</span> <span class="p">(</span><span class="kt">Value</span><span class="p">)</span> <span class="k">throws</span> <span class="o">-&gt;</span> <span class="kt">T</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kt">DataResponse</span><span class="o">&lt;</span><span class="kt">T</span><span class="o">&gt;</span></code></pre>
    768. 

  768. 

  769.                         </div>
    770. 

  770.                       </div>
    771. 

  771.                       <div>
    772. 

  772.                         <h4>Parameters</h4>
    773. 

  773.                         <table class="graybox">
    774. 

  774.                           <tbody>
    775. 

  775.                             <tr>
    776. 

  776.                               <td>
    777. 

  777.                                 <code>
    778. 

  778.                                 <em>transform</em>
    779. 

  779.                                 </code>
    780. 

  780.                               </td>
    781. 

  781.                               <td>
    782. 

  782.                                 <div>
    783. 

  783.                                   <p>A closure that takes the success value of the instance&rsquo;s result.</p>
    784. 

  784.                                 </div>
    785. 

  785.                               </td>
    786. 

  786.                             </tr>
    787. 

  787.                           </tbody>
    788. 

  788.                         </table>
    789. 

  789.                       </div>
    790. 

  790.                       <div>
    791. 

  791.                         <h4>Return Value</h4>
    792. 

  792.                         <p>A success or failure <code>DataResponse</code> depending on the result of the given closure. If this instance&rsquo;s
    793. 

  793.        result is a failure, returns the same failure.</p>
    794. 

  794.                       </div>
    795. 

  795.                     </section>
    796. 

  796.                   </div>
    797. 

  797.                 </li>
    798. 

  798.                 <li class="item">
    799. 

  799.                   <div>
    800. 

  800.                     <code>
    801. 

  801.                     <a name="/s:9Alamofire12DataResponseV8mapErrorACyxGqd__s0E0_pcsAFRd__lF"></a>
    802. 

  802.                     <a name="//apple_ref/swift/Method/mapError(_:)" class="dashAnchor"></a>
    803. 

  803.                     <a class="token" href="#/s:9Alamofire12DataResponseV8mapErrorACyxGqd__s0E0_pcsAFRd__lF">mapError(_:)</a>
    804. 

  804.                     </code>
    805. 

  805.                   </div>
    806. 

  806.                   <div class="height-container">
    807. 

  807.                     <div class="pointer-container"></div>
    808. 

  808.                     <section class="section">
    809. 

  809.                       <div class="pointer"></div>
    810. 

  810.                       <div class="abstract">
    811. 

  811.                         <p>Evaluates the specified closure when the <code>DataResponse</code> is a failure, passing the unwrapped error as a parameter.</p>
    812. 

  812. 

  813. <p>Use the <code>mapError</code> function with a closure that does not throw. For example:</p>
    814. 

  814. <pre class="highlight swift"><code><span class="k">let</span> <span class="nv">possibleData</span><span class="p">:</span> <span class="kt">DataResponse</span><span class="o">&lt;</span><span class="kt">Data</span><span class="o">&gt;</span> <span class="o">=</span> <span class="o">...</span>
    815. 

  815. <span class="k">let</span> <span class="nv">withMyError</span> <span class="o">=</span> <span class="n">possibleData</span><span class="o">.</span><span class="n">mapError</span> <span class="p">{</span> <span class="kt">MyError</span><span class="o">.</span><span class="nf">error</span><span class="p">(</span><span class="nv">$0</span><span class="p">)</span> <span class="p">}</span>
    816. 

  816. </code></pre>
    817. 

  817. 

  818.                       </div>
    819. 

  819.                       <div class="declaration">
    820. 

  820.                         <h4>Declaration</h4>
    821. 

  821.                         <div class="language">
    822. 

  822.                           <p class="aside-title">Swift</p>
    823. 

  823.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">func</span> <span class="n">mapError</span><span class="o">&lt;</span><span class="kt">E</span><span class="p">:</span> <span class="kt">Error</span><span class="o">&gt;</span><span class="p">(</span><span class="n">_</span> <span class="nv">transform</span><span class="p">:</span> <span class="p">(</span><span class="kt">Error</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kt">E</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kt">DataResponse</span></code></pre>
    824. 

  824. 

  825.                         </div>
    826. 

  826.                       </div>
    827. 

  827.                       <div>
    828. 

  828.                         <h4>Parameters</h4>
    829. 

  829.                         <table class="graybox">
    830. 

  830.                           <tbody>
    831. 

  831.                             <tr>
    832. 

  832.                               <td>
    833. 

  833.                                 <code>
    834. 

  834.                                 <em>transform</em>
    835. 

  835.                                 </code>
    836. 

  836.                               </td>
    837. 

  837.                               <td>
    838. 

  838.                                 <div>
    839. 

  839.                                   <p>A closure that takes the error of the instance.</p>
    840. 

  840.                                 </div>
    841. 

  841.                               </td>
    842. 

  842.                             </tr>
    843. 

  843.                           </tbody>
    844. 

  844.                         </table>
    845. 

  845.                       </div>
    846. 

  846.                       <div>
    847. 

  847.                         <h4>Return Value</h4>
    848. 

  848.                         <p>A <code>DataResponse</code> instance containing the result of the transform.</p>
    849. 

  849.                       </div>
    850. 

  850.                     </section>
    851. 

  851.                   </div>
    852. 

  852.                 </li>
    853. 

  853.                 <li class="item">
    854. 

  854.                   <div>
    855. 

  855.                     <code>
    856. 

  856.                     <a name="/s:9Alamofire12DataResponseV12flatMapErrorACyxGqd__s0F0_pKcsAFRd__lF"></a>
    857. 

  857.                     <a name="//apple_ref/swift/Method/flatMapError(_:)" class="dashAnchor"></a>
    858. 

  858.                     <a class="token" href="#/s:9Alamofire12DataResponseV12flatMapErrorACyxGqd__s0F0_pKcsAFRd__lF">flatMapError(_:)</a>
    859. 

  859.                     </code>
    860. 

  860.                   </div>
    861. 

  861.                   <div class="height-container">
    862. 

  862.                     <div class="pointer-container"></div>
    863. 

  863.                     <section class="section">
    864. 

  864.                       <div class="pointer"></div>
    865. 

  865.                       <div class="abstract">
    866. 

  866.                         <p>Evaluates the specified closure when the <code>DataResponse</code> is a failure, passing the unwrapped error as a parameter.</p>
    867. 

  867. 

  868. <p>Use the <code>flatMapError</code> function with a closure that may throw an error. For example:</p>
    869. 

  869. <pre class="highlight swift"><code><span class="k">let</span> <span class="nv">possibleData</span><span class="p">:</span> <span class="kt">DataResponse</span><span class="o">&lt;</span><span class="kt">Data</span><span class="o">&gt;</span> <span class="o">=</span> <span class="o">...</span>
    870. 

  870. <span class="k">let</span> <span class="nv">possibleObject</span> <span class="o">=</span> <span class="n">possibleData</span><span class="o">.</span><span class="n">flatMapError</span> <span class="p">{</span>
    871. 

  871.     <span class="k">try</span> <span class="nf">someFailableFunction</span><span class="p">(</span><span class="nv">taking</span><span class="p">:</span> <span class="nv">$0</span><span class="p">)</span>
    872. 

  872. <span class="p">}</span>
    873. 

  873. </code></pre>
    874. 

  874. 

  875.                       </div>
    876. 

  876.                       <div class="declaration">
    877. 

  877.                         <h4>Declaration</h4>
    878. 

  878.                         <div class="language">
    879. 

  879.                           <p class="aside-title">Swift</p>
    880. 

  880.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">func</span> <span class="n">flatMapError</span><span class="o">&lt;</span><span class="kt">E</span><span class="p">:</span> <span class="kt">Error</span><span class="o">&gt;</span><span class="p">(</span><span class="n">_</span> <span class="nv">transform</span><span class="p">:</span> <span class="p">(</span><span class="kt">Error</span><span class="p">)</span> <span class="k">throws</span> <span class="o">-&gt;</span> <span class="kt">E</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kt">DataResponse</span></code></pre>
    881. 

  881. 

  882.                         </div>
    883. 

  883.                       </div>
    884. 

  884.                       <div>
    885. 

  885.                         <h4>Parameters</h4>
    886. 

  886.                         <table class="graybox">
    887. 

  887.                           <tbody>
    888. 

  888.                             <tr>
    889. 

  889.                               <td>
    890. 

  890.                                 <code>
    891. 

  891.                                 <em>transform</em>
    892. 

  892.                                 </code>
    893. 

  893.                               </td>
    894. 

  894.                               <td>
    895. 

  895.                                 <div>
    896. 

  896.                                   <p>A throwing closure that takes the error of the instance.</p>
    897. 

  897.                                 </div>
    898. 

  898.                               </td>
    899. 

  899.                             </tr>
    900. 

  900.                           </tbody>
    901. 

  901.                         </table>
    902. 

  902.                       </div>
    903. 

  903.                       <div>
    904. 

  904.                         <h4>Return Value</h4>
    905. 

  905.                         <p>A <code>DataResponse</code> instance containing the result of the transform.</p>
    906. 

  906.                       </div>
    907. 

  907.                     </section>
    908. 

  908.                   </div>
    909. 

  909.                 </li>
    910. 

  910.               </ul>
    911. 

  911.             </div>
    912. 

  912.             <div class="task-group">
    913. 

  913.               <ul class="item-container">
    914. 

  914.                 <li class="item">
    915. 

  915.                   <div>
    916. 

  916.                     <code>
    917. 

  917.                     <a name="/s:9Alamofire12DataResponseV7metricsSo21URLSessionTaskMetricsCSgvp"></a>
    918. 

  918.                     <a name="//apple_ref/swift/Property/metrics" class="dashAnchor"></a>
    919. 

  919.                     <a class="token" href="#/s:9Alamofire12DataResponseV7metricsSo21URLSessionTaskMetricsCSgvp">metrics</a>
    920. 

  920.                     </code>
    921. 

  921.                   </div>
    922. 

  922.                   <div class="height-container">
    923. 

  923.                     <div class="pointer-container"></div>
    924. 

  924.                     <section class="section">
    925. 

  925.                       <div class="pointer"></div>
    926. 

  926.                       <div class="abstract">
    927. 

  927.                         <p>The task metrics containing the request / response statistics.</p>
    928. 

  928. 

  929.                       </div>
    930. 

  930.                       <div class="declaration">
    931. 

  931.                         <h4>Declaration</h4>
    932. 

  932.                         <div class="language">
    933. 

  933.                           <p class="aside-title">Swift</p>
    934. 

  934.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">metrics</span><span class="p">:</span> <span class="kt">URLSessionTaskMetrics</span><span class="p">?</span></code></pre>
    935. 

  935. 

  936.                         </div>
    937. 

  937.                       </div>
    938. 

  938.                     </section>
    939. 

  939.                   </div>
    940. 

  940.                 </li>
    941. 

  941.               </ul>
    942. 

  942.             </div>
    943. 

  943.           </div>
    944. 

  944.         </section>
    945. 

  945. 

  946.       </article>
    947. 

  947.     </div>
    948. 

  948.     <section class="footer">
    949. 

  949.       <p>&copy; 2018 <a class="link" href="http://alamofire.org/" target="_blank" rel="external">Alamofire Software Foundation</a>. All rights reserved. (Last updated: 2018-03-31)</p>
    950. 

  950.       <p>Generated by <a class="link" href="https://github.com/realm/jazzy" target="_blank" rel="external">jazzy ♪♫ v0.9.1</a>, a <a class="link" href="http://realm.io" target="_blank" rel="external">Realm</a> project.</p>
    951. 

  951.     </section>
    952. 

  952.   </body>
    953. 

  953. </div>
    954. 

  954. </html>
    955.