https://www.apollographql.com/docs/react/features/defer-support.html https://blog.apollographql.com/new-features-in-graphql-batch-defer-stream-live-and-subscribe-7585d0c28b07 https://www.reddit.com/r/graphql/comments/8wv1da/status_on_graphql_batch_stream_defer_live_etc/ https://github.com/facebook/relay/issues/288 https://github.com/facebook/relay/issues/2554 https://github.com/facebook/relay/issues/2194 https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream System.Net.Http.MultipartContent
