import { BaseFactory } from './base.factory';
import { IntegrationStrategy } from '../strategies/integration.strategy';
import { OzonetelVoiceStrategy } from '../strategies/telephone/ozonetel-voice.strategy';
import { TubelightVoiceStrategy } from '../strategies/telephone/tubelight-voice.strategy';
export declare class TelephoneFactory implements BaseFactory {
    private ozonetelVoiceStrategy;
    private tubelightVoiceStrategy;
    constructor(ozonetelVoiceStrategy: OzonetelVoiceStrategy, tubelightVoiceStrategy: TubelightVoiceStrategy);
    createProvider(service: string, provider: string): IntegrationStrategy;
    getSupportedCombinations(): Array<{
        service: string;
        provider: string;
    }>;
    validateCombination(service: string, provider: string): boolean;
}