frostfs-sdk-csharp/src/FrostFS.SDK.ClientV2/Poll/SessionCache.cs

using System;
using System.Collections;

namespace FrostFS.SDK.ClientV2;

internal struct SessionCache(ulong sessionExpirationDuration)
{
    internal Hashtable Cache { get; } = [];

    internal ulong CurrentEpoch { get; set; }

    internal ulong TokenDuration { get; set; } = sessionExpirationDuration;

    internal void DeleteByPrefix(string prefix)
    {
        foreach (var key in Cache.Keys)
        {
            if (((string)key).StartsWith(prefix, StringComparison.Ordinal))
            {
                Cache.Remove(key);
            }
        }
    }
}