\n * onUploadProgress: function (progressEvent: ProgressEvent) {\n * this.uploadPercentage = Math.round((progressEvent.loaded / progressEvent.total) * 100);\n * }.bind(this)\n *
\n * */\n protected uploadConfig: AxiosRequestConfigWithInterceptorParams = {\n headers: {\n 'Content-Type': 'multipart/form-data',\n __RequestVarificationToken: this._getCsrfToken()\n },\n cancelToken: source.token,\n withErrorHandling: true,\n\n };\n\n protected getDownloadConfig: AxiosRequestConfigWithInterceptorParams = {\n headers: {\n 'X-Requested-With': 'XMLHttpRequest'\n },\n cancelToken: source.token,\n withErrorHandling: true,\n responseType: 'blob'\n };\n\n protected async DELETE(url: string, config = this.deleteConfig, withErrorHandling = true): Promise