System.Runtime.Serialization.SerializationEventsCache.GetSerializationEventsForType C# (CSharp) Method

        internal static SerializationEvents GetSerializationEventsForType(Type t) =>
            s_cache.GetOrAdd(t, type => new SerializationEvents(type));
    }

 private void OnDeserialized(StreamingContext context)
 {
     if (this.m_realObject != null)
     {
         SerializationEventsCache.GetSerializationEventsForType(this.m_realObject.GetType()).InvokeOnDeserialized(this.m_realObject, context);
         this.m_realObject = null;
     }
 }