protected override void OnDeleteBlock(IIndexBlock <int> block)
{
deletedBlocks.Add((IMappedBlock)block);
}
/// <summary>
/// Called when the class decides the given <see cref="IIndexBlock{T}"/>
/// is no longer needed.
/// </summary>
/// <param name="block"></param>
/// <remarks>
/// Provided as an event for derived classes to intercept.
/// </remarks>
protected virtual void OnDeleteBlock(IIndexBlock <T> block)
{
}
