@Override
	public String toString() {
		return "RefTarget{" +
				"source=" + source +
				", target=" + target +
				'}';
	}
This class models a source-target relationship where the source is a
ResourceRef and the target is a simple Path. This is used for things like the
//FILES target=source directives in scripts and templates.
src/main/java/dev/jbang/source/RefTarget.java