System.Text.RegularExpressions.MatchCollection.GetEnumerator C# (CSharp) Method

        public System.Collections.IEnumerator GetEnumerator()
        {
            throw null;
        }

 public TextHighlighter(
     Page page,
     MatchCollection matches
     )
 {
     this.page = page;
     this.matchEnumerator = matches.GetEnumerator();
 }