@Streaming(true)
        @Produces(MediaTypeNames.OCTET_STREAM)
        @Get("/bytesOctetPublisher")
        public Publisher<byte[]> bytesOctetPublisher() {
            return StreamMessage.of("bytesOctetPublisher".getBytes());
        }
A mock service for testing {@link ByteArrayResponseConverterFunction}.
core/src/test/java/com/linecorp/armeria/internal/server/annotation/ResponseStreamingTest.java