/// <summary>
/// Initialization of the package; this method is called right after the package is sited, so this is the place
/// where you can put all the initialization code that rely on services provided by VisualStudio.
/// </summary>
/// <param name="cancellationToken">A cancellation token to monitor for initialization cancellation, which can occur when VS is shutting down.</param>
/// <param name="progress">A provider for progress updates.</param>
/// <returns>A task representing the async work of package initialization, or an already completed task if there is none. Do not return null from this method.</returns>
protected override void Initialize()
{
Instance = this;
base.Initialize();
UndoCloseDocument.Initialize(this);
}
