*/
    public abstract DirectoryProperty getSnippets();

    /**
     * Source of samples that can be inserted into the user manual
     *
     */
    public abstract DirectoryProperty getSamples();

    /**
     * Working directory for staging directory for intermediate user manual files
     */
    public abstract DirectoryProperty getStagingRoot();

            inputs.dir(extension.getUserManual().getSnippets())
                .withPropertyName("snippets")
                .withPathSensitivity(PathSensitivity.RELATIVE);
            inputs.dir(extension.getUserManual().getSamples())
                .withPropertyName("samples")
                .withPathSensitivity(PathSensitivity.RELATIVE);

            Provider<Directory> stylesDir = extension.getUserManual().getStagedDocumentation().dir("css");