question: gets the request results as binary . the invocation is made asynchronously . concode_field_sep String UTF_8 concode_elem_sep HttpRequest httpRequest concode_field_sep HttpResponse<Document> asHtml concode_elem_sep HttpResponse<JsonNode> asJson concode_elem_sep Future<HttpResponse<JsonNode>> asJsonAsync concode_elem_sep Future<HttpResponse<JsonNode>> asJsonAsync concode_elem_sep Future<HttpResponse<String>> asStringAsync concode_elem_sep Future<HttpResponse<String>> asStringAsync concode_elem_sep HttpResponse<InputStream> asBinary concode_elem_sep HttpResponse<String> asString
target: Future < HttpResponse < InputStream >> function ( Callback < InputStream > arg0 ) { return HttpClientHelper . requestAsync ( httpRequest , InputStream . class , arg0 ) ; }