syntax = "proto3"; package envoy.kind.v3; // [#protodoc-title: HTTP] enum CodecClientType { HTTP1 = 0; HTTP2 = 1; // [#not-implemented-hide:] QUIC implementation is not production ready yet. // Use this enum with caution to prevent accidental execution of QUIC code. // I.e. `!= HTTP2` is no longer sufficient to distinguish HTTP1 and HTTP2 // traffic. HTTP3 = 2; }