HTTPCode.printAll(...) Output

100	Continue
	Category:      Informational response
101	Switching Protocols
	Category:      Informational response
102	Processing
	Category:      Informational response
103	Early Hints
	Category:      Informational response
200	OK
	Category:      Success
201	Created
	Category:      Success
202	Accepted
	Category:      Success
203	Non-Authoritative Information
	Category:      Success
204	No Content
	Category:      Success
205	Reset Content
	Category:      Success
206	Partial Content
	Category:      Success
207	Multi-Status
	Category:      Success
208	Already Reported
	Category:      Success
226	IM Used
	Category:      Success
300	Multiple Choices
	Category:      Redirection
301	Moved Permanently
	Category:      Redirection
302	Found, Moved temporarily
	Category:      Redirection
303	See Other
	Category:      Redirection
304	Not Modified
	Category:      Redirection
305	Use Proxy
	Category:      Redirection
306	Switch Proxy
	Category:      Redirection
307	Temporary Redirect
	Category:      Redirection
308	Permanent Redirect
	Category:      Redirection
400	Bad Request
	Category:      Client errors
401	Unauthorized
	Category:      Client errors
402	Payment Required
	Category:      Client errors
403	Forbidden
	Category:      Client errors
404	Not Found
	Category:      Client errors
405	Method Not Allowed
	Category:      Client errors
406	Not Acceptable
	Category:      Client errors
407	Proxy Authentication Required 
	Category:      Client errors
408	Request Timeout
	Category:      Client errors
409	Conflict
	Category:      Client errors
410	Gone
	Category:      Client errors
411	Length Required
	Category:      Client errors
412	Precondition Failed
	Category:      Client errors
413	Payload Too Large
	Category:      Client errors
414	URI Too Long
	Category:      Client errors
415	Unsupported Media Type
	Category:      Client errors
416	Range Not Satisfiable
	Category:      Client errors
417	Expectation Failed
	Category:      Client errors
418	I'm a teapot
	Category:      Client errors
421	Misdirected Request
	Category:      Client errors
422	Unprocessable Entity
	Category:      Client errors
423	Locked
	Category:      Client errors
424	Failed Dependency
	Category:      Client errors
425	Too Early
	Category:      Client errors
426	Upgrade Required
	Category:      Client errors
428	Precondition Required
	Category:      Client errors
429	Too Many Requests
	Category:      Client errors
431	Request Header Fields Too Large
	Category:      Client errors
451	Unavailable For Legal Reasons
	Category:      Client errors
500	Internal Server Error
	Category:      Server errors
501	Not Implemented
	Category:      Server errors
502	Bad Gateway
	Category:      Server errors
503	Service Unavailable
	Category:      Server errors
504	Gateway Timeout
	Category:      Server errors
505	HTTP Version Not Supported
	Category:      Server errors
506	Variant Also Negotiates
	Category:      Server errors
507	Insufficient Storage
	Category:      Server errors
508	Loop Detected
	Category:      Server errors
510	Not Extended
	Category:      Server errors
511	Network Authentication Required
	Category:      Server errors
103	Checkpoint
	Category:      Informational response
218	This is fine (Apache Web Server)
	Category:      Unofficial codes
419	Page Expired (Laravel Framework)
	Category:      Unofficial codes
420	Method Failure (Spring Framework)
	Category:      Unofficial codes
420	Enhance Your Calm (Twitter)
	Category:      Unofficial codes
450	Blocked by Windows Parental Controls (Microsoft)
	Category:      Unofficial codes
498	Invalid Token (Esri)
	Category:      Unofficial codes
499	Token Required (Esri)
	Category:      Unofficial codes
509	Bandwidth Limit Exceeded (Apache Web Server/cPanel)
	Category:      Unofficial codes
526	Invalid SSL Certificate
	Category:      Unofficial codes
530	Site is frozen
	Category:      Unofficial codes
598	(Informal convention) Network read timeout error
	Category:      Unofficial codes
440	Login Time-out
	Category:      Microsoft Internet Information Services
449	Retry With
	Category:      Microsoft Internet Information Services
451	Redirect
	Category:      Client errors
444	No Response
	Category:      nginx
494	Request header too large
	Category:      nginx
495	SSL Certificate Error
	Category:      nginx
496	SSL Certificate Required
	Category:      nginx
497	HTTP Request Sent to HTTPS Port
	Category:      nginx
499	Client Closed Request
	Category:      Unofficial codes
520	Unknown Error
	Category:      Cloudflare
521	Web Server Is Down
	Category:      Cloudflare
522	Connection Timed Out
	Category:      Cloudflare
523	Origin Is Unreachable
	Category:      Cloudflare
524	A Timeout Occurred
	Category:      Cloudflare
525	SSL Handshake Failed
	Category:      Cloudflare
526	Invalid SSL Certificate
	Category:      Unofficial codes
527	Railgun Error
	Category:      Cloudflare
530	Origin DNS Error
	Category:      Unofficial codes