private void AddTabs(StringEditor stringEditor)
{
stringEditor.NextThatStartsWith(" <div class=\"toolbar\">");
stringEditor.NextThatStartsWith(" </div>");
stringEditor.Next();
stringEditor.Next();
stringEditor.InsertLine(" <mat-tab-group mat-align-tabs=\"start\">");
stringEditor.InsertLine(" <mat-tab label=\"Stammdaten\">");
stringEditor.NextThatStartsWith("</div>");
stringEditor.InsertLine(" </mat-tab>");
stringEditor.InsertLine(" </mat-tab-group>");
stringEditor.AddPrefixBetweenLinesThatContain(" ", "<mat-tab label=\"Stammdaten\">", " </mat-tab>");
}