import { ConfigService } from '@nestjs/config';
import { MailerService } from '@nestjs-modules/mailer';
import { NotificationEvent } from '../common/interfaces';
export interface EmailTemplate {
    subject: string;
    html: string;
    text: string;
}
export declare class NotifierService {
    private readonly configService;
    private readonly mailerService;
    private readonly logger;
    private readonly ses?;
    private readonly provider;
    constructor(configService: ConfigService, mailerService: MailerService);
    sendAvailabilityNotification(email: string, event: NotificationEvent, slots: any[]): Promise<boolean>;
    sendBookingConfirmation(email: string, event: NotificationEvent, booking: any): Promise<boolean>;
    sendErrorNotification(email: string, event: NotificationEvent, error: any): Promise<boolean>;
    private sendEmail;
    private sendWithSendGrid;
    private sendWithSES;
    private sendWithSMTP;
    private buildAvailabilityTemplate;
    private buildBookingTemplate;
    private buildErrorTemplate;
    private formatSlots;
    private getStrategyDisplayName;
    private initializeProvider;
}