void OnExpressionRemoved(object sender, ExpressionEventArgs e)
{
LoggingService.LogInfo("Expression removed: {0}", e.Expression);
if (!expressions.Remove(e.Expression))
{
LoggingService.LogWarning("Failed to remove expression: {0}", e.Expression);
}
}
void OnExpressionAdded(object sender, ExpressionEventArgs e)
{
LoggingService.LogInfo("Expression added: {0}", e.Expression);
expressions.Add(e.Expression);
}
