/**
 * Tile layer URL presets for common map styles.
 * Import and use as `tileUrl` to switch between map themes.
 */
export declare const TILE_PRESETS: {
    /** CartoDB dark — default space ops aesthetic. */
    readonly dark: "https://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}{r}.png";
    /** Esri World Imagery — natural satellite photos, makes the terminator dramatically visible. */
    readonly satellite: "https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}";
    /** CartoDB Voyager — light/neutral with labels. */
    readonly light: "https://{s}.basemaps.cartocdn.com/rastertiles/voyager/{z}/{x}/{y}{r}.png";
};
/** Primary basemap: CARTO dark with labels. */
export declare const DEFAULT_TILE = "https://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}{r}.png";
export declare const CARTO_ATTRIBUTION = "&copy; <a href=\"https://carto.com/attribution\" target=\"_blank\" rel=\"noopener noreferrer\">CARTO</a>";
/** Fallback when primary tiles fail to avoid black tiles. */
export declare const FALLBACK_TILE = "https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png";
export declare const OSM_ATTRIBUTION = "&copy; <a href=\"https://www.openstreetmap.org/copyright\" target=\"_blank\" rel=\"noopener noreferrer\">OpenStreetMap contributors</a>";
/**
 * Esri World Imagery — required when using tiles from ArcGIS Online MapServer.
 * @see https://developers.arcgis.com/documentation/mapping-apis-and-services/deployment/basemap-attribution/
 */
export declare const ESRI_WORLD_IMAGERY_ATTRIBUTION: string;
/**
 * Resolve HTML attribution for a basemap URL template (Leaflet `TileLayer` `attribution` option).
 * Unknown / custom URLs return an empty string — apps should document their own terms for those.
 */
export declare function getBasemapAttribution(tileUrl: string): string;
/**
 * After this many consecutive tile errors, switch to the fallback layer.
 * Set to 1 so we bail out immediately on the first network failure instead
 * of waiting for several timeouts (which shows a black map for ~5 seconds).
 */
export declare const TILE_ERROR_THRESHOLD = 1;