/// <summary>
/// Initializes a new instance of the <see cref="ReferenceDataCollectionBase{TItem}"/> class with a default <see cref="ReferenceDataSortOrder.SortOrder"/>.
/// </summary>
/// <param name="sortOrder">The <see cref="ReferenceDataSortOrder"/>.</param>
/// <param name="isCodeCaseSensitive">Indicates whether the <see cref="ReferenceDataBase.Code"/> is case sensitive.</param>
protected ReferenceDataCollectionBase(ReferenceDataSortOrder sortOrder = ReferenceDataSortOrder.SortOrder, bool isCodeCaseSensitive = false)
{
SortOrder = sortOrder;
IsCodeCaseSensitive = isCodeCaseSensitive;
_rdcId = new ReferenceDataIdCollection(this);
_rdcCode = new ReferenceDataCodeCollection(this);
_mappingsDict = new Dictionary <MappingsKey, string>();
}