import type { BindingErrorsType, ErrorRowType, ParsedRow, ResultValidData } from '../../types';
import type { WorkSheet } from 'xlsx';
/**
 * Raw cell value as emitted by xlsx `sheet_to_json` with `header: 1`. Cells
 * can be primitives, dates, or `null` for empty intermediate cells.
 */
export type RawCellValue = string | number | boolean | Date | null | undefined;
/**
 * Array-of-arrays row produced by xlsx `sheet_to_json({ header: 1 })`.
 */
export type SheetAoaRow = Array<RawCellValue>;
export declare const readXLSXFile: (bStr: string | ArrayBuffer | null | undefined) => Promise<import("xlsx").WorkBook>;
export declare const convertSheetToJson: (sheetData: WorkSheet) => Promise<Array<SheetAoaRow>>;
export declare const normalizeData: <T>(data: T) => T;
export declare const makeCols: (refStr: string) => Promise<{
    name: string;
    key: number;
    x: number;
}[]>;
export declare const iError: (column: string, errors: ResultValidData) => {
    column: string;
    errors: ResultValidData;
};
export declare const mapRows: (sheet: Array<SheetAoaRow>, head: Array<string>, cols: Array<{
    name: string;
    key: number;
}>) => Array<ParsedRow>;
export declare const bindErrors: (index: number, errors: Array<ErrorRowType>) => BindingErrorsType;