public async Task<BoxFolder> UpdateInformationAsync(BoxFolderRequest folderRequest, List<string> fields = null, string etag = null)
{
folderRequest.ThrowIfNull("folderRequest")
.Id.ThrowIfNullOrWhiteSpace("folderRequest.Id");
BoxRequest request = new BoxRequest(_config.FoldersEndpointUri, folderRequest.Id)
.Header(Constants.RequestParameters.IfMatch, etag)
.Param(ParamFields, fields)
.Payload(_converter.Serialize(folderRequest))
.Method(RequestMethod.Put);
IBoxResponse<BoxFolder> response = await ToResponseAsync<BoxFolder>(request).ConfigureAwait(false);
return response.ResponseObject;
}