public delegate ValueTask<ContentResponse?> ContentHandler(ContentRequest request, CancellationToken cancellationToken)Resolves one surface-relative request, or returns null to respond 404 Not Found.
ContentHandler delegatepublic delegate ValueTask<ContentResponse?> ContentHandler(ContentRequest request, CancellationToken cancellationToken)Resolves one surface-relative request, or returns null to respond 404 Not Found.