import { Query, RangeQuery, Router, StopsIndex } from '../router.js';
type PerformanceResult = {
    label: string;
    meanTimeUs: number;
    meanMemoryMb: number;
};
/**
 * Loads a list of routing queries from a JSON file and resolves the
 * human-readable stop IDs to the internal numeric IDs used by the router.
 *
 * Only entries that do **not** carry a `lastDepartureTime` field are loaded —
 * range-query entries are silently skipped.
 *
 * @param filePath - Path to the JSON file containing the serialized queries.
 * @param stopsIndex - The stops index used to resolve source stop IDs to the
 *   internal numeric IDs expected by the router.
 * @returns An array of fully constructed {@link Query} objects ready to be
 *   passed to {@link Router.route}.
 * @throws If the file cannot be read, the JSON is malformed, or any stop ID
 *   referenced in the file cannot be found in the stops index.
 */
export declare const loadQueriesFromJson: (filePath: string, stopsIndex: StopsIndex) => Query[];
/**
 * Loads a list of range routing queries from a JSON file and resolves the
 * human-readable stop IDs to the internal numeric IDs used by the router.
 *
 * Only entries that carry a `lastDepartureTime` field are loaded — plain
 * point-query entries are silently skipped.
 *
 * @param filePath - Path to the JSON file containing the serialized queries.
 * @param stopsIndex - The stops index used to resolve source stop IDs to the
 *   internal numeric IDs expected by the router.
 * @returns An array of fully constructed {@link RangeQuery} objects ready to
 *   be passed to {@link Router.rangeRoute}.
 * @throws If the file cannot be read, the JSON is malformed, or any stop ID
 *   referenced in the file cannot be found in the stops index.
 */
export declare const loadRangeQueriesFromJson: (filePath: string, stopsIndex: StopsIndex) => RangeQuery[];
/**
 * Benchmarks {@link Router.route} across a set of queries.
 *
 * @param router - The router instance to benchmark.
 * @param tasks - The list of queries to run. One {@link PerformanceResult} is
 *   produced per query.
 * @param iterations - Number of times each query is repeated. Higher values
 *   yield a more stable mean at the cost of longer wall-clock time.
 * @param stopsIndex - Used to resolve stop names for result labels.
 * @returns An array of {@link PerformanceResult} objects, one per query, each
 *   containing the mean wall-clock time (µs) and mean heap delta (MB).
 */
export declare const testRouterPerformance: (router: Router, tasks: Query[], iterations: number, stopsIndex: StopsIndex) => PerformanceResult[];
/**
 * Benchmarks {@link Result.bestRoute} — the path-reconstruction phase —
 * independently of the routing phase.
 *
 * @param router - The router instance used to produce the routing results that
 *   are then fed into `bestRoute`.
 * @param tasks - The list of queries to benchmark. One {@link PerformanceResult}
 *   is produced per query.
 * @param iterations - Number of times `bestRoute` is called per query.
 * @param stopsIndex - Used to resolve stop names for result labels.
 * @returns An array of {@link PerformanceResult} objects, one per query, each
 *   containing the mean wall-clock time (µs) and mean heap delta (MB) for the
 *   `bestRoute` call alone.
 */
export declare const testBestRoutePerformance: (router: Router, tasks: Query[], iterations: number, stopsIndex: StopsIndex) => PerformanceResult[];
/**
 * Benchmarks {@link Router.rangeRoute} across a set of range queries.
 *
 * @param router - The router instance to benchmark.
 * @param tasks - The list of range queries to run. One {@link PerformanceResult}
 *   is produced per query.
 * @param iterations - Number of times each query is repeated.
 * @param stopsIndex - Used to resolve stop names for result labels.
 * @returns An array of {@link PerformanceResult} objects, one per query, each
 *   containing the mean wall-clock time (µs) and mean heap delta (MB).
 */
export declare const testRangeRouterPerformance: (router: Router, tasks: RangeQuery[], iterations: number, stopsIndex: StopsIndex) => PerformanceResult[];
/**
 * Benchmarks {@link RangeResult.getRoutes} — the full Pareto-frontier
 * reconstruction phase — independently of the range routing phase.
 *
 * @param router - The router instance used to produce the range results that
 *   are then fed into `getRoutes`.
 * @param tasks - The list of range queries to benchmark. One
 *   {@link PerformanceResult} is produced per query.
 * @param iterations - Number of times `getRoutes` is called per query.
 * @param stopsIndex - Used to resolve stop names for result labels.
 * @returns An array of {@link PerformanceResult} objects, one per query, each
 *   containing the mean wall-clock time (µs) and mean heap delta (MB) for the
 *   `getRoutes` call alone.
 */
export declare const testRangeResultPerformance: (router: Router, tasks: RangeQuery[], iterations: number, stopsIndex: StopsIndex) => PerformanceResult[];
/**
 * Prints a table summary of performance results to stdout.
 *
 * Each row corresponds to one task, identified by a human-readable query label
 * (origin → destination + departure time). A footer row shows the mean across
 * all tasks. An optional `label` is printed as a section header above the table.
 *
 * @param results - The performance results to display.
 * @param label - Heading printed above the table. Defaults to `'Performance Results'`.
 */
export declare const prettyPrintPerformanceResults: (results: PerformanceResult[], label?: string) => void;
export {};