/**
 * Siren REST API client (API-key authentication).
 */
import type { SirenMetricDataPoint, SirenMetricQuery, SirenOptions, SirenRegion } from "./types.js";
export declare class SirenClient {
    private readonly auth;
    private readonly baseUrl;
    constructor(options: SirenOptions);
    /**
     * Fetch metric data for a region over a date range.
     */
    getMetricData(query: SirenMetricQuery): Promise<SirenMetricDataPoint[]>;
    /**
     * List available regions.
     *
     * The endpoint is paginated (`limit`/`offset`/`total`); this walks every page
     * so callers always get the complete list. Regions are de-duplicated by `id`,
     * and pagination stops as soon as a page yields no new regions — so a server
     * that ignores the pagination params degrades to a single page rather than
     * looping forever or returning duplicates.
     */
    listRegions(): Promise<SirenRegion[]>;
    /**
     * List available metrics.
     */
    listMetrics(): Promise<string[]>;
}
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