// default to library
                    details.closestMatch(library);
                } else if (candidateValues.contains(platform)) {
                    // default to normal platform when only platforms are available and nothing has been requested
                    details.closestMatch(platform);
                }
            }
        }
    }

                void execute(MultipleCandidatesDetails<Thing> details) {
                    for (Thing t: details.candidateValues) {
                        if (t.name == 'blue') {
                            details.closestMatch(t)
                            return
                        }
                    }
                }
            }

            def flavor = Attribute.of('flavor', Thing)
            allprojects {