class Net::HTTPUpgradeRequired

Response class for Upgrade Required responses (status code 426).

The client should switch to the protocol given in the Upgrade header field.

This class also includes (indirectly) module Net::HTTPHeader, which gives access to its methods for getting headers.

References:

• Mozilla.

• [RFC 9110](www.rfc-editor.org/rfc/rfc9110.html#name-426-upgrade-require d).

• Wikipedia.