private Collection<String> getPreviewForNoReferences() {
		Set<String> set = new HashSet<>();
		String translatedString = getTranslatedString();
		if (translatedString != null) {
			set.add(translatedString);
			return set;
		}
		String pointerText = getUndefinedPointer(codeUnit);
		if (pointerText != null) {
			set.add(pointerText);
			return set;
		}
		return set;
	}
Returns the number of comments that can be added before reaching the maximum number of
comments
@return the number of comments
Ghidra/Features/Base/src/main/java/ghidra/app/util/EolComments.java