import type { Coordinates, FloodData, SourceResult } from '../types/index.js';
/**
 * Flood forecast via Open-Meteo Flood API (powered by GloFAS/CEMS data).
 *
 * The Copernicus EWDS/CDS API is a bulk-download system (async job → GRIB file),
 * not suited for real-time point queries. Open-Meteo wraps the same GloFAS river
 * discharge data as an instant point-query REST API — same data, <1s latency.
 *
 * GLOFAS_KEY is not required.
 */
export declare function fetchGlofas(coords: Coordinates): Promise<SourceResult<FloodData>>;