/**
 * CSV Cruncher tool.
 * Processes CSV data with operations: dropna, dedupe, describe, pivot.
 * Outputs cleaned CSV + stats markdown.
 * Pure TypeScript — no external CSV library needed.
 */
import type { ToolModule, ToolResult } from './runner';
export declare class CsvCruncherTool implements ToolModule {
    key: string;
    run(params: Record<string, unknown>): Promise<ToolResult>;
}