def foo = subproject(':foo')
        def bar = subproject(':bar')

        def cleanFoo = foo.task('cleanFoo').destroys('build/foo')
        def cleanBar = bar.task('cleanBar').destroys('build/bar')
        def clean = rootBuild.task('clean').dependsOn(cleanFoo).dependsOn(cleanBar)
        def generateFoo = foo.task('generateFoo').produces('build/foo', type)