@Override
	protected GhidraTable initializeMatchesTable() {

		final GhidraTable table = super.initializeMatchesTable();
		// setup the renderers
		TableColumnModel columnModel = table.getColumnModel();

		int sourceLabelColumnIndex =
			oneToManyTableModel.getColumnIndex(SourceLabelTableColumn.class);
		TableColumn sourceLabelColumn = columnModel.getColumn(sourceLabelColumnIndex);
		sourceLabelColumn.setCellRenderer(new VTSymbolRenderer(controller.getServiceProvider(),
			table));

		return table;
	}
This is a docking window provider for the Destination (main) tool. 
It displays info for the function currently containing the cursor within the listing.
It also shows a table of the matches within the source program for the current function.
Ghidra/Features/VersionTracking/src/main/java/ghidra/feature/vt/gui/provider/onetomany/VTMatchDestinationTableProvider.java