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");