import { Workbook } from '../core/model.js';
import { ImportResult } from './csv.js';
export declare function decodeJson(text: string, opts?: {
    sheetName?: string;
    locale?: string;
    maxInputBytes?: number;
}): ImportResult;
export declare function encodeJson(workbook: Workbook, opts?: {
    sheetName?: string;
    pretty?: boolean;
}): string;
/** GitHub-flavored Markdown table export (write-only; import is intentionally not supported —
 *  Markdown tables are lossy/ambiguous as a source format). */
export declare function encodeMarkdown(workbook: Workbook, opts?: {
    sheetName?: string;
}): string;