'Unknown Error', '100' => 'Continue', '101' => 'Switching Protocols', '102' => 'Processing', '200' => 'OK', '201' => 'Created', '202' => 'Accepted', '203' => 'Non-Authoritative Information', '204' => 'No Content', '205' => 'Reset Content', '206' => 'Partial Content', '207' => 'Multi-Status', '208' => 'Already Reported', '226' => 'IM Used', '300' => 'Multiple Choices', '301' => 'Moved Permanently', '302' => 'Found', '303' => 'See Other', '304' => 'Not Modified', '305' => 'Use Proxy', '307' => 'Temporary Redirect', '308' => 'Permanent Redirect', '400' => 'Bad Request', '401' => 'Unauthorized', '402' => 'Payment Required', '403' => 'Forbidden', '404' => 'Not Found', '405' => 'Method Not Allowed', '406' => 'Not Acceptable', '407' => 'Proxy Authentication Required', '408' => 'Request Timeout', '409' => 'Conflict', '410' => 'Gone', '411' => 'Length Required', '412' => 'Precondition Failed', '413' => 'Payload Too Large', '414' => 'URI Too Long', '415' => 'Unsupported Media Type', '416' => 'Range Not Satisfiable', '417' => 'Expectation Failed', '418' => 'I\'m a teapot', '419' => 'Session Has Expired', '421' => 'Misdirected Request', '422' => 'Unprocessable Entity', '423' => 'Locked', '424' => 'Failed Dependency', '425' => 'Too Early', '426' => 'Upgrade Required', '428' => 'Precondition Required', '429' => 'Too Many Requests', '431' => 'Request Header Fields Too Large', '444' => 'Connection Closed Without Response', '449' => 'Retry With', '451' => 'Unavailable For Legal Reasons', '499' => 'Client Closed Request', '500' => 'Internal Server Error', '501' => 'Not Implemented', '502' => 'Bad Gateway', '503' => 'Maintenance Mode', '504' => 'Gateway Timeout', '505' => 'HTTP Version Not Supported', '506' => 'Variant Also Negotiates', '507' => 'Insufficient Storage', '508' => 'Loop Detected', '509' => 'Bandwidth Limit Exceeded', '510' => 'Not Extended', '511' => 'Network Authentication Required', '520' => 'Unknown Error', '521' => 'Web Server is Down', '522' => 'Connection Timed Out', '523' => 'Origin Is Unreachable', '524' => 'A Timeout Occurred', '525' => 'SSL Handshake Failed', '526' => 'Invalid SSL Certificate', '527' => 'Railgun Error', '598' => 'Network Read Timeout Error', '599' => 'Network Connect Timeout Error', 'unknownError' => 'Unknown Error', ];