@Internal
                @Option(option = "myProp", description = "Configures command line option 'myProp'.")
                public $propertyType<$optionType> getMyProp() {
                    return myProp;
                }

                @TaskAction
                public void renderOptionValue() {

        'RegularFile'         | 'myField'   | "RegularFile myField = project.layout.projectDirectory.file('myFile.txt')"      | 'myField.getAsFile().absolutePath'
        'RegularFileProperty' | 'myProp'    | 'abstract RegularFileProperty getMyProp()'                                      | 'myProp.getAsFile().get().absolutePath'
    }

    def "using @Input annotation on #elementType directory elements fails validation with helpful error message"() {
        given: