Source
HttpRequestTaskSpecification(this.url, {String this.method, bool this.withCredentials, String this.responseType, String this.mimeType, Map<String, String> this.requestHeaders, this.sendData, void this.onProgress(ProgressEvent e)});
HttpRequestTaskSpecification(this.url, {String this.method, bool this.withCredentials, String this.responseType, String this.mimeType, Map<String, String> this.requestHeaders, this.sendData, void this.onProgress(ProgressEvent e)});