e-NotImplemented><td><code>NotImplemented</code></td><td></td></tr><tr id=HttpStatusCode-BadGateway><td><code>BadGateway</code></td><td></td></tr><tr id=HttpStatusCode-ServiceUnavailable><td><code>ServiceUnavailable</code></td><td></td></tr><tr id=HttpStatusCode-GatewayTimeout><td><code>GatewayTimeout</code></td><td></td></tr><tr id=HttpStatusCode-HTTPVersionNotSupported><td><code>HTTPVersionNotSupported</code></td><td></td></tr><tr id=HttpStatusCode-VariantAlsoNegotiates><td><code>VariantAlsoNegotiates</co