text: public override string ToString(){var children = GetChildren();if (children == null || children.Count == 0)return "<any field='" + this.field + "'  matchelements="+ this.minimumMatchingmElements + "/>";StringBuilder sb = new StringBuilder();sb.Append("<any field='" + this.field + "'  matchelements="+ this.minimumMatchingmElements + ">");foreach (IQueryNode clause in children){sb.Append("\n");sb.Append(clause.ToString());}sb.Append("\n</any>");return sb.ToString();}