public String getDisplayString() {
		if (displayString != null) {
			return displayString;
		}
		displayString = getPreview(false);
		return displayString;
	}
Get the preview for the code unit at or containing the address associated with this cell's row.

@return the preview string.
Ghidra/Features/Base/src/main/java/ghidra/util/table/PreviewTableCellData.java