export interface GeocodeResult {
    address: string;
    lat: number;
    lng: number;
}
export declare class GeocodingService {
    private readonly logger;
    private get googleKey();
    reverse(lat: number, lng: number): Promise<string | null>;
    forward(address: string): Promise<GeocodeResult | null>;
}
export declare function distanceKm(aLat: number, aLng: number, bLat: number, bLng: number): number;