@Override
	public String getValueString(int row, int col) {
		TableCellRenderer renderer = table.getCellRenderer(row, col);
		if (renderer instanceof JLabel) {
			table.prepareRenderer(renderer, row, col);
			return ((JLabel) renderer).getText();
		}

		Object obj = table.getValueAt(row, col);
		return obj == null ? null : obj.toString();
	}
{@link AutoLookup} implementation for {@link GTable}s
Ghidra/Framework/Docking/src/main/java/docking/widgets/table/GTableAutoLookup.java