@Override
	public TableFilter<ROW_OBJECT> getTableFilter() {
		if (pendingTableFilter != null) {
			return pendingTableFilter;
		}
		return tableFilter;
	}
Returns the filter for this model.  The value returned from this method will not be null,
but will instead be an instanceof {@link NullTableFilter} when no filter is applied.   The
value returned from this method may not actually yet be applied, depending upon when the
background thread finishes loading.

@return the filter
Ghidra/Framework/Docking/src/main/java/docking/widgets/table/threaded/ThreadedTableModel.java