public static async Task <string> RenderAsync(this IFluidTemplate template, TextEncoder encoder, TemplateContext context) { if (context == null) { throw new ArgumentNullException(nameof(context)); } if (template == null) { throw new ArgumentNullException(nameof(template)); } using (var sb = StringBuilderPool.GetInstance()) { using (var writer = new StringWriter(sb.Builder)) { await template.RenderAsync(writer, encoder, context); return(writer.ToString()); } } }