def cleanFoo = foo.task('cleanFoo').destroys('build/foo').shouldBlock()
        def cleanBar = bar.task('cleanBar').destroys('build/bar').dependsOn(cleanFoo)
        def cleanBarLocal = bar.task('cleanBarLocalState').destroys('build/bar-local').shouldBlock()
        def clean = rootBuild.task('clean').dependsOn(cleanFoo).dependsOn(cleanBar)
        def generateFoo = foo.task('generateFoo').outputs('build/foo')