/// <summary>
/// Called when a plugin source reports a lost plugin.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="PluginEventArgs"/> instance containing the event data.</param>
private void OnPluginRemoved(object sender, PluginEventArgs e)
{
this.log.Info(Resources.RemovedPlugin, e.Plugin.QualifiedName.TypeFullName);
this.plugins.Remove(e.Plugin);
}