import { ElasticsearchManager } from '../elasticsearch/client.js';
import { Logger } from '../logger.js';
export interface ExportToCSVArgs {
    index: string;
    query?: Record<string, unknown>;
    fields?: string[];
    filename?: string;
    format?: {
        delimiter?: string;
        quote?: string;
        escape?: string;
        header?: boolean;
    };
    maxRows?: number;
    compress?: boolean;
}
export interface ExportToCSVResult {
    filename: string;
    rowsExported: number;
    fileSize: string;
    downloadUrl?: string;
}
export declare class ExportToCSVTool {
    private elasticsearch;
    private logger;
    constructor(elasticsearch: ElasticsearchManager, logger: Logger);
    execute(args: unknown): Promise<ExportToCSVResult>;
    private generateFilename;
    private determineFields;
    private extractFieldNames;
    private createCSVWriter;
    private exportDataWithScroll;
    private extractFieldValue;
    private compressFile;
    private formatFileSize;
}
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