import type { CellObject, WorkSheet } from 'xlsx';
export interface XlsxWorksheetCellEntry {
    address: string;
    cell: CellObject;
    column: number;
    row: number;
}
/**
 * Iterates both SheetJS sparse address maps and dense row arrays without
 * materializing a second list of every worksheet cell.
 */
export declare function xlsxWorksheetCellEntries(worksheet: WorkSheet): Generator<XlsxWorksheetCellEntry>;
export declare function xlsxCellAddress(row: number, column: number): string;
export declare function decodeXlsxCellAddress(address: string): {
    column: number;
    row: number;
} | null;