public static List<String> getLayoutAlgorithmNames() {
		return Arrays.asList(COMPACT_HIERARCHICAL, HIERACHICAL,
			COMPACT_RADIAL, MIN_CROSS_TOP_DOWN, MIN_CROSS_LONGEST_PATH,
			MIN_CROSS_NETWORK_SIMPLEX, MIN_CROSS_COFFMAN_GRAHAM, CIRCLE,
			VERT_MIN_CROSS_TOP_DOWN,
			VERT_MIN_CROSS_LONGEST_PATH,
			VERT_MIN_CROSS_NETWORK_SIMPLEX,
			VERT_MIN_CROSS_COFFMAN_GRAHAM,
			FORCED_BALANCED, FORCE_DIRECTED, RADIAL, BALLOON, GEM);
	}
Just a static list of graph layout algorithm names
Ghidra/Framework/Graph/src/main/java/ghidra/service/graph/LayoutAlgorithmNames.java