public async Task <string> SortFileAsync(string filePath)
{
var pathHelper = new SortingPathsHelper(filePath);
FileSystemHelper.DeleteDirectory(pathHelper.ChunksDirectory.FullName);
var settings = new Settings(pathHelper.SourceFile);
var operationsManager = new OperationsManager(settings, pathHelper);
await operationsManager.StartManageOperationsAsync();
return(pathHelper.SortedFilePath);
}