System.Runtime.CompilerServices.ReadOnlyCollectionBuilder.IsCompatibleObject C# (CSharp) Méthode

        private static bool IsCompatibleObject(object? value)
        {
            return ((value is T) || (value == null && default(T) == null));
        }

 void IList.Remove(object value)
 {
     if (ReadOnlyCollectionBuilder <T> .IsCompatibleObject(value))
     {
         this.Remove((T)value);
     }
 }