import { LngLatLike, Map } from 'maplibre-gl';
export { isBrowser } from './ssr-guard';
/**
 * Flatten a Vue `class` binding value (string | array | object) into a list of
 * class tokens. Used to forward fallthrough `class` onto the element MapLibre
 * owns, since Teleport-root components can't inherit attributes automatically.
 */
export declare function normalizeClassTokens(value: unknown): string[];
/**
 * Returns `id` when the caller supplied one, otherwise mints a fallback id for
 * a layer or source.
 *
 * These ids only have to be unique among the layers and sources of the maps on
 * one page, so a module-scoped counter is sufficient and the timestamp is there
 * purely to keep ids readable across reloads. The name predates dropping the
 * `nanoid` dependency, which was declared under devDependencies yet imported at
 * runtime — correct only for as long as it stayed bundled.
 */
export declare function getNanoid(id?: string): string;
export declare function getMainVersion(): number;
export declare function hasSource(map: Map, sourceId: string): boolean;
export declare function hasLayer(map: Map, sourceId: string): boolean;
export declare function lngLatLikeHasValue(lngLatLike?: LngLatLike): boolean;
export declare function filterStylePropertiesByKeys<T extends Record<string, any>>(style: Record<string, any>, keys: (keyof T)[]): T;