@Override
		public Component getTableCellRendererComponent(GTableCellRenderingData data) {

			JLabel label = (JLabel) super.getTableCellRendererComponent(data);

			Object value = data.getValue();
			Settings settings = data.getColumnSettings();

			label.setFont(getFixedWidthFont());

			Function function = (Function) value;

			label.setText(getSignature(function, settings));

			return label;
		}
This table field displays the Function Signature for either the program location or the address
associated with a row in the table.
Ghidra/Features/Base/src/main/java/ghidra/util/table/field/FunctionSignatureTableColumn.java