StringEnumerator.cs

namespace System.Collections.Specialized
{
    public class StringEnumerator
    {
        private IEnumerator baseEnumerator;

        private IEnumerable temp;

        public string Current => (string)baseEnumerator.Current;

        internal StringEnumerator(StringCollection mappings)
        {
            temp = mappings;
            baseEnumerator = temp.GetEnumerator();
        }

        public bool MoveNext()
        {
            return baseEnumerator.MoveNext();
        }

        public void Reset()
        {
            baseEnumerator.Reset();
        }
    }
}