export declare const removeFileExtension: (filename: string) => string; export declare const sanitizeFilenameBase: (value: string) => string; export declare const getExportFilenameBase: ({ getDocumentTitle, documentTitleFallback, sheetNameFallback, defaultBase, }: { getDocumentTitle?: () => string; documentTitleFallback?: string; sheetNameFallback?: string; defaultBase?: string; }) => string;