public void addHighlightProvider(ListingHighlightProvider provider) {
		if (provider instanceof MultipleHighlighterProvider) {
			throw new AssertException("Cannot set FormatManager's internal highlight provider " +
				"on another FormatManager!");
		}
		highlightProvider.addHighlightProvider(provider);
	}
Adds a HighlightProvider

@param provider
           the provider to use.
@see #removeHighlightProvider(ListingHighlightProvider)
@see #getHighlightProviders()
Ghidra/Features/Base/src/main/java/ghidra/app/util/viewer/format/FormatManager.java