synchronized ResponseDispatcher enqueue(Queue<Chunk> moreChunks) {
            assertNotFailed();
            chunks.addAll(moreChunks);
            scheduleNextChunk();
            return this;
        }
Adds the given chunks to the response stream and schedules the next chunk to be delivered if
needed.
grpc/src/test/java/com/linecorp/armeria/internal/common/grpc/TestServiceImpl.java