///-------------------------------------------------------------------------------------------------
/// <summary>
/// Gets the elements in this collection.
/// </summary>
/// <param name="metaClass">
/// (Optional) the meta class.
/// </param>
/// <param name="skip">
/// (Optional) the skip.
/// </param>
/// <returns>
/// An enumerator that allows foreach to be used to process the elements in this collection.
/// </returns>
///-------------------------------------------------------------------------------------------------
public virtual IEnumerable <IModelElement> GetElements(ISchemaElement metaClass = null, int skip = 0)
{
CheckInitialized();
return(L1Cache.GetElements(metaClass, skip));
}