@Override
	public String getSerializationString() {
		String outputId = toExternalId(id);
		return outputId + " = " + getSerializedValue();
	}
Constructor used when the ColorValue will inherit its color from another ColorValue. The
color value field will be null.
@param id the id for this ColorValue
@param refId the id of another ColorValue that this ColorValue will inherit from
Ghidra/Framework/Gui/src/main/java/generic/theme/ColorValue.java