net481 
namespace System.Web.Caching
{
    public abstract class CacheStoreProvider : ProviderBase, IDisposable
    {
        public abstract object Add(string key, object item, CacheInsertOptions options);
    }
}
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.NET Framework 4.74.7.14.7.24.84.8.1
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System.Web , Version=4.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

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