import type { EmitterLike } from '@adonisjs/core/types/events';
import { Mailer } from './mailer.js';
import { FakeMailer } from './fake_mailer.js';
import type { BaseMail } from './base_mail.js';
import type { MailEvents, MailerConfig, MailerMessenger, MailTransportContract, MessageComposeCallback, MailManagerTransportFactory } from './types.js';
/**
 * Mail manager exposes the API to configure multiple mailers, manage
 * their lifecycle and switch between them.
 */
export declare class MailManager<KnownMailers extends Record<string, MailManagerTransportFactory>> {
    #private;
    config: MailerConfig & {
        default?: keyof KnownMailers;
        mailers: KnownMailers;
    };
    constructor(emitter: EmitterLike<MailEvents>, config: MailerConfig & {
        default?: keyof KnownMailers;
        mailers: KnownMailers;
    });
    /**
     * Configure the messenger for all the mailers managed
     * by the mail manager class.
     */
    setMessenger(messenger: (mailer: Mailer<MailTransportContract>) => MailerMessenger): this;
    /**
     * Send email using the default mailer
     */
    send(callbackOrMail: MessageComposeCallback | BaseMail, config?: unknown): Promise<Awaited<ReturnType<ReturnType<KnownMailers[keyof KnownMailers]>["send"]>>>;
    /**
     * Queue email using the default mailer
     */
    sendLater(callbackOrMail: MessageComposeCallback | BaseMail, config?: unknown): Promise<void>;
    /**
     * Create/use an instance of a known mailer. The mailer
     * instances are cached for the lifecycle of the process
     */
    use<K extends keyof KnownMailers>(mailerName?: K): Mailer<ReturnType<KnownMailers[K]>>;
    /**
     * Turn on fake mode. After this all calls to "mail.use" will
     * return an instance of the fake mailer
     */
    fake(): FakeMailer;
    /**
     * Turn off fake mode and restore normal behavior
     */
    restore(): void;
    /**
     * Clear mailer from cache and close its transport
     */
    close<K extends keyof KnownMailers>(mailerName: K): Promise<void>;
    /**
     * Clear all mailers from cache and close their transports
     */
    closeAll(): Promise<void>;
}