import { BaseService } from './baseservice';
import { AngularFirestore } from '@angular/fire/firestore';
export interface Tariffe {
    id?: string;
    a_volume: number;
    da_volume: number;
    tariffa: number;
    area_id: string;
}
export declare class TariffeService extends BaseService<Tariffe> {
    private tariffecollection;
    constructor(afs: AngularFirestore);
    add(item: Tariffe): void;
    getByArea(area_id: any): import("rxjs").Observable<{
        id: string;
        a_volume: number;
        da_volume: number;
        tariffa: number;
        area_id: string;
    }[]>;
    getByVolume(v: number): import("rxjs").Observable<Tariffe[]>;
    delete(id: string): void;
}