interface HeadingFilter { title: string level: number } export const navigatorFilterModel = () => ({ content: [ { title: gettext("Heading 1"), level: 1 }, { title: gettext("Heading 2"), level: 2 }, { title: gettext("Heading 3"), level: 3 }, { title: gettext("Heading 4"), level: 4 }, { title: gettext("Heading 5"), level: 5 }, { title: gettext("Heading 6"), level: 6 } ] as HeadingFilter[] })