import { BaseFactory } from './base.factory';
import { IntegrationStrategy } from '../strategies/integration.strategy';
import { GmailApiStrategy } from '../strategies/email/gmail-api.strategy';
import { OutlookStrategy } from '../strategies/email/outlook.strategy';
import { SendGridApiStrategy } from '../strategies/email/sendgrid-api.strategy';
export declare class EmailFactory implements BaseFactory {
    private gmailApiStrategy;
    private outlookStrategy;
    private sendGridApiStrategy;
    constructor(gmailApiStrategy: GmailApiStrategy, outlookStrategy: OutlookStrategy, sendGridApiStrategy: SendGridApiStrategy);
    createProvider(service: string, provider: string): IntegrationStrategy;
    getSupportedCombinations(): Array<{
        service: string;
        provider: string;
    }>;
    validateCombination(service: string, provider: string): boolean;
}