#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR) using System; using System.Collections; namespace Org.BouncyCastle.Utilities.Collections { public sealed class EmptyEnumerable : IEnumerable { public static readonly IEnumerable Instance = new EmptyEnumerable(); private EmptyEnumerable() { } public IEnumerator GetEnumerator() { return EmptyEnumerator.Instance; } } public sealed class EmptyEnumerator : IEnumerator { public static readonly IEnumerator Instance = new EmptyEnumerator(); private EmptyEnumerator() { } public bool MoveNext() { return false; } public void Reset() { } public object Current { get { throw new InvalidOperationException("No elements"); } } } } #endif