 	import weave.data.AttributeColumns.ProxyColumn;
 	import weave.data.ColumnReferences.HierarchyColumnReference;
 	import weave.data.KeySets.FilteredKeySet;
-	import weave.utils.AsyncSort;
 	import weave.utils.ColumnUtils;
 	import weave.utils.HierarchyUtils;
 	import weave.utils.VectorUtils;

		}
	}
}
import weave.api.core.ILinkableObject;
import weave.api.data.IFilteredKeySet;
import weave.api.detectLinkableObjectChange;
import weave.api.newLinkableChild;
import weave.api.registerLinkableChild;
import weave.data.KeySets.FilteredKeySet;
import weave.utils.AsyncSort;
import weave.utils.VectorUtils;

internal class InternalData


package weave.data.DataSources
{
	import weave.api.WeaveAPI;
	import weave.api.core.ILinkableHashMap;
	import weave.api.data.ColumnMetadata;
	import weave.api.data.DataTypes;
	import weave.api.data.IAttributeColumn;
