{name: "invalid applyTo", in: &networking.EnvoyFilter{
			ConfigPatches: []*networking.EnvoyFilter_EnvoyConfigObjectPatch{
				{
					ApplyTo: 0,
				},
			},
		}, error: "Envoy filter: missing applyTo"},
		{name: "nil patch", in: &networking.EnvoyFilter{
			ConfigPatches: []*networking.EnvoyFilter_EnvoyConfigObjectPatch{
				{
					ApplyTo: networking.EnvoyFilter_LISTENER,
					Patch:   nil,

			if cpw.ApplyTo != networking.EnvoyFilter_HTTP_FILTER &&
				cpw.ApplyTo != networking.EnvoyFilter_NETWORK_FILTER &&
				cpw.ApplyTo != networking.EnvoyFilter_HTTP_ROUTE &&
				cpw.ApplyTo != networking.EnvoyFilter_LISTENER_FILTER {
				cpw.Operation = networking.EnvoyFilter_Patch_ADD
			}
		}
		out.Patches[cp.ApplyTo] = append(out.Patches[cp.ApplyTo], cpw)
	}
	return out
}

  namespace: istio-system
spec:
  configPatches:
  - applyTo: HTTP_FILTER
    match:
      context: SIDECAR_OUTBOUND
      listener:
        filterChain:
          filter:
            name: envoy.filters.network.http_connection_manager
            subFilter:
              name: envoy.filters.http.router
      proxy:
        proxyVersion: ^1\.19.*
  - applyTo: HTTP_FILTER
    match:
      context: SIDECAR_INBOUND

						fmt.Errorf("Envoy filter: applyTo for listener class objects cannot have non listener match")) // nolint: stylecheck
					continue
				}
				listenerMatch := cp.Match.GetListener()
				if listenerMatch.FilterChain != nil {
					if listenerMatch.FilterChain.Filter != nil {
						if cp.ApplyTo == networking.EnvoyFilter_LISTENER || cp.ApplyTo == networking.EnvoyFilter_FILTER_CHAIN {

            if (options.hasOption(config.getLongOption())) {
                applyTo(true, settings, Origin.forCommandLine(config.getLongOption()));
            }

            if (options.hasOption(getDisabledCommandLineOption(config))) {
                applyTo(false, settings, Origin.forCommandLine(getDisabledCommandLineOption(config)));
            }
        }
    }

        public JavaInstallationPathsOption() {
            super(GRADLE_PROPERTY);
        }

        @Override
        public void applyTo(String value, ToolchainConfiguration settings, Origin origin) {
            settings.setInstallationsFromPaths(Arrays.asList(value.split(",")));
        }
    }

	o.Traces.AddFlags(fs)
}

// ApplyTo adds RecommendedOptions to the server configuration.
// pluginInitializers can be empty, it is only need for additional initializers.
func (o *RecommendedOptions) ApplyTo(config *server.RecommendedConfig) error {
	if err := o.Etcd.ApplyTo(&config.Config); err != nil {
		return err
	}
	if err := o.EgressSelector.ApplyTo(&config.Config); err != nil {
		return err
	}

                String value = options.option(config.getLongOption()).getValue();
                applyTo(value, settings, Origin.forCommandLine(config.getLongOption()));
            }
        }
    }

    private void applyTo(String value, T settings, Origin origin) {
        applyTo(getValue(value), settings, origin);
    }

    private E getValue(String value) {
        E enumValue = null;

        public static final String GRADLE_PROPERTY = "org.gradle.daemon.idletimeout";

        public IdleTimeoutOption() {
            super(GRADLE_PROPERTY);
        }

        @Override
        public void applyTo(String value, DaemonParameters settings, Origin origin) {
            try {
                settings.setIdleTimeout(Integer.parseInt(value));
            } catch (NumberFormatException e) {

                String value = options.option(config.getLongOption()).getValue();
                applyTo(Integer.parseInt(value), settings, Origin.forCommandLine(config.getLongOption()));
            }
        }
    }

    public abstract void applyTo(int value, T settings, Origin origin);