// https://www.envoyproxy.io/docs/envoy/latest/configuration/http/http_filters/router_filter.html#x-envoy-retry-on
		"5xx",
		"gateway-error",
		"reset",
		"connect-failure",
		"retriable-4xx",
		"refused-stream",
		"retriable-status-codes",
		"retriable-headers",
		"envoy-ratelimited",
		"http3-post-connect-failure",

		// 'x-envoy-retry-grpc-on' supported policies:

            ],

            ],

            ],

            ],

            ],

            ],

            ],

		// or perhaps restrict the environment variables passed to subprocesses.
		// Because these are clumsy, undocumented special-case hacks
		// for debugging the compiler, they are not settable using 'go env -w',
		// and so here we use os.Getenv, not cfg.Getenv.
		magic := []string{
			"GOCLOBBERDEADHASH",
			"GOSSAFUNC",
			"GOSSADIR",
			"GOCOMPILEDEBUG",
		}
		for _, env := range magic {

            ],