import type { MapStyle } from '../../../../types/map';
import type { StyleSpecification } from 'maplibre-gl';
/** MapTiler's public demo key. Honoured on localhost only, so dev works without an account. */
export declare const MAPTILER_PLACEHOLDER_KEY = "get_your_own_OpIi9ZULNHzrESv6T2vL";
export declare const SATELLITE_STYLE_URL = "cdt:satellite";
export declare const STREETS_STYLE_URL = "cdt:streets";
export declare const TERRAIN_SPEC: {
    readonly source: "terrainSource";
    readonly exaggeration: 0.6;
};
/** Falls back to the placeholder so a missing key degrades the map instead of breaking it. */
export declare function maptilerKeyOrPlaceholder(key?: string | null): string;
export declare function isLocalhostOrigin(): boolean;
export declare function maptilerKeyForRequest(key?: string | null): string | null;
/**
 * Build the Satellite base style for a deployment's own MapTiler key.
 * Without a key it falls back to Esri imagery, terrarium elevation and the
 * OpenMapTiles font CDN, so nothing is billed to another account.
 */
export declare function buildSatelliteStyle(key?: string | null): StyleSpecification;
/**
 * Resolve a catalog entry into something `<Map mapStyle>` accepts: a built style
 * object for the built-in Satellite, a keyed URL for Streets, and any other URL
 * (organization-supplied styles included) unchanged.
 */
export declare function resolveStyleSpec(style: MapStyle, key?: string | null): string | StyleSpecification;
//# sourceMappingURL=mapStyleSpec.d.ts.map