public void setEdgeColor(String edgeType, Color color) {
		checkEdgeType(edgeType);
		edgeColorMap.put(edgeType, Objects.requireNonNull(color));
	}
Sets the color for edges with the given edge type
@param edgeType the edge type for which to set its color
@param color the new color for edges with the given edge type
Ghidra/Framework/Graph/src/main/java/ghidra/service/graph/GraphDisplayOptions.java