import { type SheetCell } from "./file_headers";
/**
 * Split CSV text into rows of raw cells, RFC 4180 style.
 *
 * Quoted fields may contain the delimiter, newlines and doubled quotes; this is
 * the inverse of what the export's `entryToCSVRow` writes (every cell quoted,
 * quotes doubled, CRLF line ends), so an exported file reads back into the cells
 * it was built from.
 */
export declare function parseCsvRows(text: string, delimiter?: string): string[][];
/**
 * Pick the delimiter that splits the header row into the most cells. A
 * single-column file matches nothing and stays on the comma.
 */
export declare function detectCsvDelimiter(text: string): string;
export interface ParsedCsv {
    headers: string[];
    data: Record<string, SheetCell>[];
}
/**
 * Parse CSV text into one object per row, keyed by the header row.
 *
 * A blank cell (or one holding only spaces) is left out of its row, like an empty
 * spreadsheet cell and as SheetJS did. As `""` it became 0, false, an Invalid Date
 * or a reference to "" (which fails the whole save) once mapped, and replaced the
 * collection's defaults; FireCMS's own export writes every null as a blank cell.
 * Header naming (blank and repeated headers) is shared with the .xlsx reader.
 */
export declare function parseCsvToObjects(text: string): ParsedCsv;