import { Chart } from '../../core/document-model/index.js';
import { WorksheetCell } from '../../core/spreadsheet-model/index.js';
interface Rec {
    readonly type: number;
    readonly data: Uint8Array;
}
/**
 * Parse a BIFF chart substream (XLS-6) into a {@link Chart}. The series values
 * are read straight from the host sheet's cells through each series' AI ranges
 * (BIFF caches no plotted numbers, unlike OOXML).
 *
 * @param records       The chart substream's records (between its BOF…EOF).
 * @param cells         The host sheet's cells (the value source for AI ranges).
 * @param sharedStrings The workbook shared strings (for category / name text).
 * @returns The chart, or `undefined` when there are no series to plot.
 */
export declare function parseBiffChart(records: ReadonlyArray<Rec>, cells: ReadonlyArray<WorksheetCell>, sharedStrings: ReadonlyArray<string>): Chart | undefined;
export {};