import type { BasePayload } from 'payload';
import type { Messages } from '../types';
interface PersistOptions {
    readonly payload: BasePayload;
    readonly collection: string;
    readonly data: Messages;
    readonly locale: string;
    readonly existingFileId?: number | string;
}
/**
 * Serializes messages to a JSON file and uploads it via Payload's
 * `filePath` API. Creates a new document or updates an existing one.
 */
export declare function persistDataToFile({ payload, collection, data, locale, existingFileId, }: PersistOptions): Promise<number | string>;
interface ReadOptions {
    readonly payload: BasePayload;
    readonly collection: string;
    readonly fileId: number | string | undefined;
}
/**
 * Reads and parses a JSON messages file from the upload collection's
 * local filesystem path.
 */
export declare function readDataFromFile({ payload, collection, fileId, }: ReadOptions): Promise<Messages>;
export {};
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