/// <summary>
/// Deletes a package from a FileSystem.
/// </summary>
/// <param name="fileSystem">The FileSystem where the specified package is deleted.</param>
/// <param name="packageId">The package Id.</param>
/// <param name="packageVersion">The package Id.</param>
private static void DeletePackageFromFileSystem(IFileSystem fileSystem, string packageId, string packageVersion)
{
var pathResolver = new DefaultPackagePathResolver(fileSystem);
var packageFileName = pathResolver.GetPackageFileName(packageId, new SemanticVersion(packageVersion));
fileSystem.DeleteFile(packageFileName);
}