</tr><tr id=HttpStatusCode-UpgradeRequired><td><code>UpgradeRequired</code></td><td></td></tr><tr id=HttpStatusCode-PreconditionRequired><td><code>PreconditionRequired</code></td><td></td></tr><tr id=HttpStatusCode-TooManyRequests><td><code>TooManyRequests</code></td><td></td></tr><tr id=HttpStatusCode-RequestHeaderFieldsTooLarge><td><code>RequestHeaderFieldsTooLarge</code></td><td></td></tr><tr id=HttpStatusCode-InternalServerError><td><code>InternalServerError</code></td><td></td></tr><tr id=HttpStatusCod