/**
 * NASA GIBS (Global Imagery Browse Services) client for satellite imagery.
 *
 * Serves NOAA GOES-East / GOES-West ABI GeoColor as WMTS XYZ tiles in Web
 * Mercator (EPSG:3857), with Western-Hemisphere coverage and no authentication.
 *
 * GeoColor is a multispectral blend (true color by day, IR cloud-top imagery at
 * night), so it is useful 24/7. Tile URLs are constructed directly (no network
 * call needed); the caller's renderer fetches the tiles.
 *
 * Only the latest frame is served (via the WMTS "default" time). GIBS sub-daily
 * GeoColor snapshots are published at irregular timestamps, so guessing fixed
 * intervals for animation produces missing (404) tiles — animation is therefore
 * intentionally not supported for satellite (radar animates via RainViewer).
 *
 * @see https://nasa-gibs.github.io/gibs-api-docs/
 */
import { ImageryFrame } from '../types/imagery.js';
export declare class GibsService {
    /**
     * Choose the GOES satellite whose disk best covers the longitude.
     * GOES-West (~137°W) favors the Pacific/Alaska/Hawaii/far west; GOES-East
     * (~75°W) covers the rest of the Americas.
     */
    private selectLayer;
    /** Convert lat/lon to WMTS tile column/row at a zoom level (Web Mercator). */
    private tileColRow;
    /**
     * Build a WMTS tile URL for the latest available frame (WMTS "default" time).
     * WMTS REST order is {z}/{row=y}/{col=x}.
     */
    buildTileUrl(layer: string, latitude: number, longitude: number, zoom: number): string;
    /** A short, human label for which satellite a layer represents. */
    private satelliteLabel;
    /**
     * Get the latest GOES GeoColor satellite frame for a location.
     * Returns a single frame (satellite animation is not supported — see file header).
     */
    getSatelliteImagery(latitude: number, longitude: number): ImageryFrame[];
}
export declare const gibsService: GibsService;
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