public static async Task <ProcessingResult> ProcessAsync(Configuration configuration, CancellationToken token)
{
using var fileLoader = new FileLoader(token);
var mapper = new UriMapper(configuration);
var parser = new ItemParser(mapper, configuration.Mode);
var writer = new ItemWriter(mapper);
var processor = new ItemProcessor(fileLoader, parser, writer, configuration, token);
await processor.RunAsync().ConfigureAwait(false);
return(new ProcessingResult(fileLoader.FailedUris));
}