export declare function normalizeExportOptions>(options: T): T; export declare function normalizeExportOptions>(options: T | undefined): T | undefined; /** * Builds the dialog overlay DOM fragment for the export progress indicator. * * The title text is resolved at call-time so it reflects the active locale. * * The title is escaped rather than trusted. Its only current caller passes a translated phrase, * which no end user controls, but a customer-registered language dictionary does reach it, and this * function is the kind that acquires callers. Escaping (not stripping) keeps a phrase containing * `<` intact. * * @param {string} title Translated title string (e.g. "Exporting…"). Rendered as text; markup in it * shows up literally. * @returns {DocumentFragment} */ export declare function buildExportDialogContent(title: string): DocumentFragment;