private void addPaletteKnots() {
		EntropyRecord rec = knot1type.getRecord();
		if (rec != null) {
			addPaletteKnot(rec.name, KNOT1_COLOR, rec.center, rec.width);
		}
		rec = knot2type.getRecord();
		if (rec != null) {
			addPaletteKnot(rec.name, KNOT2_COLOR, rec.center, rec.width);
		}
		rec = knot3type.getRecord();
		if (rec != null) {
			addPaletteKnot(rec.name, KNOT3_COLOR, rec.center, rec.width);
		}
		rec = knot4type.getRecord();
		if (rec != null) {
			addPaletteKnot(rec.name, KNOT4_COLOR, rec.center, rec.width);
		}
		rec = knot5type.getRecord();
		if (rec != null) {
			addPaletteKnot(rec.name, KNOT5_COLOR, rec.center, rec.width);
		}
	}
Helper class for the {@link EntropyOverviewColorService} to manage the options and create
the color Palette for that service.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/overview/entropy/EntropyOverviewOptionsManager.java