envoy/config/filter/http/alpn/v2alpha1/config.proto
stability/level.proto

envoy/config/filter/http/authn/v2alpha1/config.proto
stability/level.proto

envoy/config/filter/network/tcp_cluster_rewrite/v2alpha1/config.proto
stability/level.proto

envoy/config/filter/http/jwt_auth/v2alpha1/config.proto
stability/level.proto