/**
 * Minimal RFC 4180-subset CSV parser.
 *
 * Supported: comma delimiter, quoted fields, doubled quotes ("") as escaped
 * quotes inside quoted fields, commas and newlines inside quoted fields,
 * CRLF and LF row endings, a leading UTF-8 BOM, and a tolerated trailing
 * newline. Lines that are completely empty outside quotes are skipped —
 * skipped lines still advance the physical line count reported in
 * `rowLines`, so later rows' reported start lines stay correct.
 *
 * Deliberately NOT here: header handling, type coercion, and shape
 * validation. Ragged rows are preserved as-is — validation is the caller's
 * job (see lossRun.ts).
 */
export interface CsvParseResult {
    /** The parsed grid (rows x columns). Ragged rows preserved as-is. */
    rows: string[][];
    /**
     * Physical 1-based line number in the input where each row of `rows`
     * STARTS. Parallel to `rows`. Differs from index+1 whenever blank lines
     * were skipped or a quoted field contains newlines — callers reporting
     * row-level problems must use this, not the grid index, or their
     * diagnostics point at the wrong line of the file.
     */
    rowLines: number[];
    /**
     * Structural problems the parser recovered from. Content is still parsed
     * leniently — a warning here means the OUTPUT may not mean what the file's
     * author intended, which the caller must surface rather than swallow: an
     * unterminated quote consumes the remainder of the input into one field,
     * and five good rows silently becoming one is how claims vanish.
     */
    warnings: string[];
}
/** Parses CSV text into a grid of string fields plus structural warnings. */
export declare function parseCsv(text: string): CsvParseResult;
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