@Streaming(false)
        @Produces(MediaTypeNames.APPLICATION_BINARY)
        @Get("/httpDataApplicationBinary")
        public HttpData httpDataApplicationBinary() {
            return HttpData.ofUtf8("httpDataApplicationBinary");
        }
A mock service for testing {@link ByteArrayResponseConverterFunction}.
core/src/test/java/com/linecorp/armeria/internal/server/annotation/ResponseStreamingTest.java