streamedRequest method
Implementation
Future<RestResult> streamedRequest(
String method, int contentLength, Stream uploadStream,
{required Map<String, String> headers}) {
var allHeaders = _headersToSend(headers);
_workStarted();
var resp = _httpClient.streamedRequest(
method, renderUrl(url, params), contentLength, uploadStream,
headers: allHeaders);
return handleResponse(resp);
}