import { BaseClient } from '../base-client';
import { LogRecordsExportRequest } from '../../types/export.types';
export declare class ExportService extends BaseClient {
    private projectId;
    constructor(apiUrl: string, token: string, projectId: string);
    records(options: LogRecordsExportRequest): Promise<AsyncIterable<string | Record<string, unknown>>>;
    private fillOptionsWithDefaults;
    /**
     * Parses a CSV stream with proper line buffering to ensure complete lines.
     * Buffers chunks until complete lines (ending with \n) are available, then yields
     * each line with a newline.
     *
     * @param stream - The readable stream containing CSV data
     * @returns An async iterable that yields complete CSV lines
     * @throws Error if stream processing fails
     */
    private parseCSVStream;
    /**
     * Parses a JSON/JSONL stream with proper line buffering to ensure complete lines.
     * Buffers chunks until complete lines (ending with \n) are available, then yields
     * records based on the export format.
     *
     * @param stream - The readable stream containing JSON/JSONL data
     * @param exportFormat - The export format ('jsonl' or 'json')
     * @returns An async iterable that yields:
     *   - For JSONL format: Complete lines as strings (each ending with `\n`)
     *   - For JSON format: Parsed JSON objects as `Record<string, unknown>`
     * @throws Error if stream processing fails
     */
    private parseJsonStream;
}