Apply initializes the singleton of resources.

Done finish all initialization of resources.

OptChunkManager provides the chunk manager to the resource.

OptDataCoordClient provides the data coordinator client to the resource.

OptETCD provides the etcd client to the resource.

OptFlusher provides the flusher to the resource.

OptRootCoordClient provides the root coordinator client to the resource.

OptStreamingNodeCatalog provides the streaming node catalog to the resource.

Resource access the underlying singleton of resources.