ng2-heremaps/src/interface/lat-lng.d.ts

Here Maps for Angular 6

/**
 * Structure describes Geo Location with latitude and longitude
 */
export interface LatLon {
    lat: number;
    lon: number;
}
export interface LatLng {
    lat: number;
    lng: number;
}
export declare type GeoPoint = LatLng | LatLon | Coordinates | {
    latitude: number;
    longitude: number;
};