import { Tool } from '../types';
interface DataStatsParams {
    data: any[];
    field: string;
    groupBy?: string;
}
interface StatsSummary {
    count: number;
    sum: number;
    avg: number;
    min: number;
    max: number;
    median: number;
    stddev: number;
}
interface DataStatsResult {
    overall: StatsSummary;
    byGroup?: Record<string, StatsSummary>;
    outliers?: any[];
}
export declare const dataStatsTool: Tool<DataStatsParams, DataStatsResult>;
export {};
//# sourceMappingURL=dataStats.d.ts.map