import { Elevation, Place, PlaceLocation } from "@rr0/place";
export declare abstract class PlaceService {
    readonly rootDir: string;
    protected readonly cache: Map<string, Place>;
    protected readonly regex: RegExp;
    protected constructor(rootDir: string);
    read(fileName: string): Promise<Place>;
    get(address: string): Promise<Place | undefined>;
    getFileName(location: PlaceLocation): string;
    protected abstract geocode(address: string): Promise<{
        location: PlaceLocation;
        data: any;
    } | undefined>;
    protected key(location: PlaceLocation): string;
    protected abstract getElevation(location: PlaceLocation): Promise<Elevation | undefined>;
    private cachePlace;
    private create;
    private save;
}