}
                          },
                          {
                            "name": "envoy.filters.http.fault",
                            "typed_config": {
                              "@type": "type.googleapis.com/envoy.extensions.filters.http.fault.v3.HTTPFault"
                            }
                          },
                          {

							},
						},
					},
				},
			},
			Patch: &networking.EnvoyFilter_Patch{
				Operation: networking.EnvoyFilter_Patch_MERGE,
				Value: buildPatchStruct(`
{"name": "envoy.filters.http.fault",
"typed_config": {
        "@type": "type.googleapis.com/envoy.extensions.filters.http.fault.v3.HTTPFault",
        "downstreamNodes": ["foo"]
}
}`),

                            }
                          },
                          {
                            "name": "envoy.filters.http.fault",
                            "typed_config": {
                              "@type": "type.googleapis.com/envoy.extensions.filters.http.fault.v3.HTTPFault"
                            }
                          },
                          {

	out.Decorator = &route.Decorator{
		Operation: GetRouteOperation(out, virtualService.Name, listenPort),
	}
	if in.Fault != nil || in.CorsPolicy != nil {
		out.TypedPerFilterConfig = make(map[string]*anypb.Any)
	}
	if in.Fault != nil {
		out.TypedPerFilterConfig[wellknown.Fault] = protoconv.MessageToAny(TranslateFault(in.Fault))
	}
	if in.CorsPolicy != nil {

                            }
                          },
                          {
                            "name": "envoy.filters.http.fault",
                            "typed_config": {
                              "@type": "type.googleapis.com/envoy.extensions.filters.http.fault.v3.HTTPFault"
                            }
                          },
                          {

    // Once the journal has a failure, subsequent writes aren't permitted.
    filesystem.setFaultyWrite(journalFile, false)
    assertThat(cache.edit("d")).isNull()

    // Confirm that the fault didn't corrupt entries stored before the fault was introduced.
    cache.close()
    cache =
      DiskLruCache(filesystem, cacheDir, appVersion, 2, Int.MAX_VALUE.toLong(), taskRunner).also {
        toClose.add(it)
      }

			}
		}
	}

	if match {
		reqMatchFacts := []string{}

		if route.Fault != nil {
			reqMatchFacts = append(reqMatchFacts, fmt.Sprintf("Fault injection %s", route.Fault.String()))
		}

		// TODO Consider adding Headers, SourceLabels

		for _, trafficMatch := range route.Match {

			"extenstions.istio.io/wasmplugin/istio-system.wasm-authz",
			wellknown.HTTPRoleBasedAccessControl,
			"extenstions.istio.io/wasmplugin/istio-system.wasm-stats",
			wellknown.HTTPGRPCStats,
			xdsfilters.Fault.Name,
			xdsfilters.Cors.Name,
			xds.StatsFilterName,
			wellknown.Router,
		}
		httpNetworkFilters := []string{
			xdsfilters.MxFilterName,
			"extenstions.istio.io/wasmplugin/istio-system.wasm-network-authn",

//
// An additional factor of retainExtraPercent is added as a buffer to help ensure
// that there's more unscavenged memory to allocate out of, since each allocation
// out of scavenged memory incurs a potentially expensive page fault.
//
// If a memory limit is set, then we wish to pick a scavenge goal that maintains
// that memory limit. For that, we look at total memory that has been committed

		if work.userForced {
			print(" (forced)")
		}
		print("\n")
		printunlock()
	}

	// Set any arena chunks that were deferred to fault.
	lock(&userArenaState.lock)
	faultList := userArenaState.fault
	userArenaState.fault = nil
	unlock(&userArenaState.lock)
	for _, lc := range faultList {
		lc.mspan.setUserArenaChunkToFault()
	}