import { HttpService } from '@nestjs/axios';
import { TermiiModuleOptions } from '../interfaces';
import { TermiiBalanceResponse, TermiiSearchResponse, TermiiStatusResponse, TermiiHistoryResponse } from './responses';
export declare class InsightService {
    private readonly options;
    private readonly httpService;
    private readonly apiKey;
    private readonly baseUrl;
    constructor(options: TermiiModuleOptions, httpService: HttpService);
    getBalance(): Promise<TermiiBalanceResponse>;
    search(phoneNumber: string): Promise<TermiiSearchResponse>;
    getStatus(phoneNumber: string, countryCode: string): Promise<TermiiStatusResponse>;
    getHistory(messageId?: string): Promise<TermiiHistoryResponse>;
}