public class uSyncMigrationPlan : PackageMigrationPlan
{
    public uSyncMigrationPlan() :
        base(uSync.PackageName)
    { }

    protected override void DefinePlan()
    {
        To<SetupuSync>(new Guid("dd231cf5-5560-4f42-85a0-0ff8d8f37eb3"));
    }
}

public class SetupuSync : PackageMigrationBase
{
    public SetupuSync(
        IPackagingService packagingService, 
        IMediaService mediaService, 
        MediaFileManager mediaFileManager, 
        MediaUrlGeneratorCollection mediaUrlGenerators, 
        IShortStringHelper shortStringHelper, 
        IContentTypeBaseServiceProvider contentTypeBaseServiceProvider,
        IMigrationContext context) 
        : base(packagingService, mediaService, mediaFileManager, mediaUrlGenerators, shortStringHelper, contentTypeBaseServiceProvider, context)
    {
    }

    protected override void Migrate()
    {
        // we don't actually need to do anything, but this means we end up
        // on the list of installed packages. 
    }
}