ActionController::StatusCodes::SYMBOL_TO_STATUS_CODE):
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 226 = :im_used 300 = :multiple_choices 301 = :moved_permanently 302 = :found 303 = :see_other 304 = :not_modified 305 = :use_proxy 307 = :temporary_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 = :request_entity_too_large 414 = :request_uri_too_long 415 = :unsupported_media_type 416 = :requested_range_not_satisfiable 417 = :expectation_failed 422 = :unprocessable_entity 423 = :locked 424 = :failed_dependency 426 = :upgrade_required 500 = :internal_server_error 501 = :not_implemented 502 = :bad_gateway 503 = :service_unavailable 504 = :gateway_timeout 505 = :http_version_not_supported 507 = :insufficient_storage 510 = :not_extended
