/** A 0-indexed cell address (`A1` → `{ column: 0, row: 0 }`). */
export interface CellAddress {
    readonly column: number;
    readonly row: number;
}
/**
 * Parse an A1-style cell reference (§18.18.62) into a 0-indexed {@link CellAddress}.
 * The column letters are base-26 (`A`=1 … `Z`=26, `AA`=27, …); the row is a plain
 * 1-indexed integer. Both are decremented to 0-indexed on the way out.
 *
 * @param ref The reference, e.g. `"AB12"` (case-insensitive column letters).
 * @returns The 0-indexed column/row.
 * @throws Error when `ref` has no column letters or a non-positive-integer row.
 */
export declare function parseCellRef(ref: string): CellAddress;
/**
 * Format a 0-indexed {@link CellAddress} back to an A1-style reference — the
 * inverse of {@link parseCellRef} (`{ column: 0, row: 0 }` → `"A1"`).
 */
export declare function formatCellRef(address: CellAddress): string;