static Cluster exampleCluster() {
        final ApiConfigSource apiConfigSource = ApiConfigSource
                .newBuilder()
                .setApiType(ApiType.GRPC)
                .setTransportApiVersion(ApiVersion.V3)
                .addGrpcServices(
                        io.envoyproxy.envoy.config.core.v3.GrpcService
                                .newBuilder()
                                .setEnvoyGrpc(EnvoyGrpc.newBuilder()
                                                       .setClusterName(BOOTSTRAP_CLUSTER_NAME)))
                .build();
        return Cluster
                .newBuilder()
                .setName("some_service")
                .setConnectTimeout(Duration.newBuilder().setNanos(25_000_000))
                .setLbPolicy(LbPolicy.ROUND_ROBIN)
                .setType(DiscoveryType.EDS)
                .setEdsClusterConfig(
                        EdsClusterConfig
                                .newBuilder()
                                .setEdsConfig(ConfigSource
                                                      .newBuilder()
                                                      .setResourceApiVersion(ApiVersion.V3)
                                                      .setApiConfigSource(apiConfigSource)))
                      .build();
    }
This class ensures that the dynamic bootstrap configuration example at
<a href="https://www.envoyproxy.io/docs/envoy/latest/configuration/overview/examples#dynamic">
Dynamic Example</a> is parsed and fetched correctly.
xds/src/test/java/com/linecorp/armeria/xds/DynamicResourcesTest.java