/**
 * Common utilities for trend analysis across different tools.
 */
import { EsAggregationBucket } from "../../../types/elasticsearch.js";
import { Trend } from "../types/responses.js";
/**
 * Calculates trends between two time periods.
 *
 * @param beforeBuckets - Aggregation buckets from the "before" period
 * @param afterBuckets - Aggregation buckets from the "after" period
 * @param minSignificance - Minimum percentage change to consider significant
 * @returns Array of trends sorted by absolute percentage change
 */
export declare function calculateTrends(beforeBuckets: EsAggregationBucket[], afterBuckets: EsAggregationBucket[], minSignificance: number): Trend[];