public TValue Refresh()
{
_value = ValueSupplier.Invoke();
return(Peek());
}
/// <summary>
/// Forces an invocation of <see cref="ValueSupplier"/> and stores the result in <see cref="_storedValue"/>, regardless of the current <see cref="Freshness"/>.
/// </summary>
/// <remarks>
/// This method should rarely be called externally, as it bypasses the <see cref="StalenessPredicate"/> and <b>always</b> invokes the <see cref="ValueSupplier"/>.
/// Most of the time, you should call <see cref="Value"/> instead.
/// </remarks>
/// <returns>the result of <see cref="ValueSupplier"/></returns>
public TValue Refresh()
{
_storedValue = ValueSupplier.Invoke();
PreviousStalenessBasis = StalenessBasisSupplier.Invoke();
return(_storedValue);
}