/// <summary>
/// Creates a new memory mapped accessor.
/// </summary>
/// <param name="file"></param>
/// <param name="sizeInBytes"></param>
/// <returns></returns>
protected override MemoryMappedAccessor <long> CreateAccessor(MemoryMappedFile file, long sizeInBytes)
{
return(file.CreateInt64(sizeInBytes));
}