@Override
	protected void processNoSection(Section section) throws IOException {
		if (!section.isEmpty()) {
			error(section.getLineNumber(),
				"Theme properties file has values defined outside of a defined section");
		}
	}
Returns a map of all the custom (look and feel specific) value maps
@return a map of all the custom (look and feel specific) value maps
Ghidra/Framework/Gui/src/main/java/generic/theme/ThemePropertyFileReader.java