/// <summary>
/// Synchronizes the source and destination items.
/// </summary>
/// <param name="cancellationToken">A cancellation token that can be used to cancel the work.</param>
/// <returns></returns>
public async Task SyncAsync(CancellationToken cancellationToken)
{
// Validate comparer agent too
if (ComparerAgent == null)
{
throw new NullReferenceException($"The {nameof(ComparerAgent)} cannot be null.");
}
Validate();
var comparisonResult = await ComparerAgent.CompareAsync(cancellationToken).ConfigureAwait(false);
await SyncAsync(comparisonResult, cancellationToken).ConfigureAwait(false);
}