}

    @Override
    String getKeySymbolFor(String name) {
        ".$name"
    }

    @Override
    void assertValidationSucceeds() {
        succeeds "run"
        result.assertTaskNotSkipped(":run")
    }

    void assertValidationFailsWith(List<AbstractPluginValidationIntegrationSpec.DocumentedProblem> messages) {
        def expectedDeprecations = messages

        run("a")

        then:
        result.assertTaskSkipped(":a")

        when:
        executer.withArgument("-Dname=b")
        run("a")

        then:
        result.assertTaskNotSkipped(":a")
        file("out.txt").text == "b"

        when:
        executer.withArgument("-Dname=b")
        run("a")

        then:
        result.assertTaskSkipped(":a")
    }