<PackageReference Include="Polly" Version="8.9.0" />

Polly.Caching.ISyncCacheProvider<TResult>

public interface ISyncCacheProvider<TResult>
namespace Polly.Caching { public interface ISyncCacheProvider<[System.Runtime.CompilerServices.Nullable(2)] TResult> { (bool, TResult) TryGet(string key); void Put(string key, TResult value, Ttl ttl); } }