// Output: By name: [{Earth 1 1} {Mars 0.107 1.5} {Mercury 0.055 0.4} {Venus 0.815 0.7}]
	// By mass: [{Mercury 0.055 0.4} {Mars 0.107 1.5} {Venus 0.815 0.7} {Earth 1 1}]
	// By distance: [{Mercury 0.055 0.4} {Venus 0.815 0.7} {Earth 1 1} {Mars 0.107 1.5}]
	// By decreasing distance: [{Mars 0.107 1.5} {Earth 1 1} {Venus 0.815 0.7} {Mercury 0.055 0.4}]

Hello Venus
Hello Earth
Hello Mars

tasks.register('hello') {
    doLast {
        println 'Hello Earth'
    }
}
tasks.named('hello') {
    doFirst {
        println 'Hello Venus'
    }
}
tasks.named('hello') {
    doLast {
        println 'Hello Mars'
    }
}
tasks.named('hello') {
    doLast {
        println 'Hello Jupiter'
    }

tasks.register("hello") {
    doLast {
        println("Hello Earth")
    }
}
tasks.named("hello") {
    doFirst {
        println("Hello Venus")
    }
}
tasks.named("hello") {
    doLast {
        println("Hello Mars")
    }
}
tasks.named("hello") {
    doLast {
        println("Hello Jupiter")
    }

    private static final DefaultExcludeFactory FACTORY = new DefaultExcludeFactory()
    private static final String[] GROUPS = ["org.foo", "org.bar", "org.baz", "com.acme"]
    private static final String[] MODULES = ["mercury", "venus", "earth", "mars", "jupiter", "saturn", "uranus", "neptune"]
    private static final IvyArtifactName[] ARTIFACTS = [artifactName("foo"), artifactName('bar'), artifactName('baz'), artifactName('foo', 'jar', 'jar', 'classy')]