enableHttp2 property
Whether to negotiate HTTP/2 (with automatic HTTP/1.1 fallback) on the
native (dart:io) transport.
Defaults to true. When true, requests use HTTP/2 if the origin
negotiates h2 via TLS ALPN, otherwise they transparently fall back to
HTTP/1.1. Set to false to always use HTTP/1.1 (e.g. behind a proxy that
is not detected from the environment). Has no effect on the web platform,
where the browser controls the protocol.
Implementation
final bool enableHttp2;