export interface XlsxWorksheetXmlScan {
    hasDirectCellStyles: boolean;
    hasDiagnosticFeatures: boolean;
    hasFormulaFeatures: boolean;
    hasImportedFeatures: boolean;
    hasRichTextCells: boolean;
    requiresSheetJsCellStyles: boolean;
}
/**
 * Builds every worksheet gate in one pass over the decompressed XML. The
 * scanner deliberately permits false positives because they only select the
 * existing full parser path; a false negative could discard workbook state.
 */
export declare function scanXlsxWorksheetXml(source: string): XlsxWorksheetXmlScan;