Const ReadonlyReadonlyNO_CONTENT: 204No Content - successful request with no response body
ReadonlyNOT_MODIFIED: 304Not Modified - cached version is still valid
ReadonlyREQUEST_TIMEOUT: 408Request Timeout - server didn't receive complete request
ReadonlyTOO_MANY_REQUESTS: 429Too Many Requests - rate limiting in effect
ReadonlyINTERNAL_SERVER_ERROR: 500Internal Server Error - generic server error
ReadonlyBAD_GATEWAY: 502Bad Gateway - invalid response from upstream server
ReadonlySERVICE_UNAVAILABLE: 503Service Unavailable - server temporarily overloaded
ReadonlyGATEWAY_TIMEOUT: 504Gateway Timeout - upstream server didn't respond
HTTP status codes for different response scenarios