import { ConfigService } from '@nestjs/config';
import { AuthenticationModuleOptions } from '../../../authentication';
import { BaseHttpService } from '../../base-http.service';
import { AccountLoginTokenMailDtoV1, AccountPasswordResetMailDtoV1, EventUserCancellationMailDtoV1, EventUserRegistrationMailDtoV1, IdeaStatusUpdateMailDtoV1, IdeaSubmittedMailDtoV1, LunchRouletteCancellationMailDtoV1, LunchRouletteMatchedMailDtoV1, LunchRouletteRegistrationMailDtoV1, LunchRouletteUnmatchedMailDtoV1, NewsletterIssueMailDtoV1, NewsletterSubscribedMailDtoV1, NewsletterUnsubscribedMailDtoV1, NotificationMailDtoV1 } from './dtos';
/**
 * MailService
 *
 * Provides a type-safe interface for sending various email notifications
 * via the central organisation-hub-email service. Handles environment-aware
 * client configuration and logging for success/failure of email dispatches.
 */
export declare class MailService extends BaseHttpService {
    /**
     * Creates a MailService client for a specific resource.
     *
     * @param authenticationOptions Authentication options injected from the Auth module.
     * @param configService NestJS configuration service for environment variables and URLs.
     */
    constructor(authenticationOptions: AuthenticationModuleOptions, configService: ConfigService);
    /**
     * Sends an email of the given type with the provided payload.
     *
     * @template Type - One of the supported MailType keys
     * @param type - The type of email to send
     * @param payload - The payload DTO corresponding to the type
     */
    private sendMail;
    /**
     * Sends an email with a one-time login token.
     * @param {AccountLoginTokenMailDtoV1} payload - DTO containing recipient and token.
     */
    sendAccountLoginTokenMailV1(payload: AccountLoginTokenMailDtoV1): void;
    /**
     * Sends a password reset email with a secure link.
     * @param {AccountPasswordResetMailDtoV1} payload - DTO containing recipient and reset URL.
     */
    sendAccountPasswordResetMailV1(payload: AccountPasswordResetMailDtoV1): void;
    /**
     * Sends an event invitation email.
     * @param {EventUserRegistrationMailDtoV1} payload - DTO containing event details and recipient.
     */
    sendEventUserRegistrationMailV1(payload: EventUserRegistrationMailDtoV1): void;
    /**
     * Sends a notification about an event cancellation.
     * @param {EventUserCancellationMailDtoV1} payload - DTO containing event title, time, and links.
     */
    sendEventUserCancellationMailV1(payload: EventUserCancellationMailDtoV1): void;
    /**
     * Sends a confirmation that an idea was submitted.
     * @param {IdeaSubmittedMailDtoV1} payload - DTO containing recipient and management URL.
     */
    sendIdeaSubmittedMailV1(payload: IdeaSubmittedMailDtoV1): void;
    /**
     * Sends a notification that an idea's status has changed.
     * @param {IdeaStatusUpdateMailDtoV1} payload - DTO containing the old and new status.
     */
    sendIdeaStatusUpdateMailV1(payload: IdeaStatusUpdateMailDtoV1): void;
    /**
     * Sends confirmation of lunch roulette participation.
     * @param {LunchRouletteRegistrationMailDtoV1} payload - DTO with recipient, location, and type.
     */
    sendLunchRouletteRegistrationMailV1(payload: LunchRouletteRegistrationMailDtoV1): void;
    /**
     * Sends a cancellation email for lunch roulette.
     * @param {LunchRouletteCancellationMailDtoV1} payload - DTO containing the recipient.
     */
    sendLunchRouletteCancellationMailV1(payload: LunchRouletteCancellationMailDtoV1): void;
    /**
     * Sends a match notification to lunch roulette participants.
     * @param {LunchRouletteMatchedMailDtoV1} payload - DTO with recipients, message, and details URL.
     */
    sendLunchRouletteMatchedMailV1(payload: LunchRouletteMatchedMailDtoV1): void;
    /**
     * Notifies a user that they were unmatched in lunch roulette.
     * @param {LunchRouletteUnmatchedMailDtoV1} payload - DTO with the unmatched recipient.
     */
    sendLunchRouletteUnmatchedMailV1(payload: LunchRouletteUnmatchedMailDtoV1): void;
    /**
     * Sends confirmation of a newsletter subscription.
     * @param {NewsletterSubscribedMailDtoV1} payload - DTO with recipient information.
     */
    sendNewsletterSubscribedMailV1(payload: NewsletterSubscribedMailDtoV1): void;
    /**
     * Sends confirmation of newsletter unsubscription.
     * @param {NewsletterUnsubscribedMailDtoV1} payload - DTO with recipient information.
     */
    sendNewsletterUnsubscribedMailV1(payload: NewsletterUnsubscribedMailDtoV1): void;
    /**
     * Sends the latest issue of the newsletter.
     * @param {NewsletterIssueMailDtoV1} payload - DTO containing recipients, content, and metadata.
     */
    sendNewsletterIssueMailV1(payload: NewsletterIssueMailDtoV1): void;
    /**
     * Sends a general-purpose email notification.
     * @param {NotificationMailDtoV1} payload - DTO with recipients, title, message, and optional URL.
     */
    sendNotificationMailV1(payload: NotificationMailDtoV1): void;
}