when:
        delete.delete("someFile")
        delete.delete(new File("someOtherFile"))
        delete.getTargetFiles()

        then:
        delete.getDelete() == WrapUtil.toSet("someFile", new File("someOtherFile"))
        delete.getTargetFiles().getFiles() == getProject().files(delete.getDelete()).getFiles()
    }

    @Requires(UnitTestPreconditions.Symlinks)
    def "can follow symlinks"() {

            cleanTask.setGroup(BUILD_GROUP);
            cleanTask.delete(buildDir);
        });
        buildOutputCleanupRegistry.registerOutputs(clean.map(cl -> cl.getTargetFiles()));
    }

    private void addCleanRule(Project project) {
        project.getTasks().addRule(new CleanRule(project.getTasks()));
    }

    private void addAssemble(Project project) {

    }

    /**
     * Returns the resolved set of files which will be deleted by this task.
     *
     * @return The files. Never returns null.
     */
    @Destroys
    public FileCollection getTargetFiles() {
        return paths;
    }

    /**
     * Returns the set of files which will be deleted by this task.
     *
     * @return The files. Never returns null.
     */
    @Internal