import { Mailable } from '../Mailable.mjs';
import { MailerProvider } from '../MailerProvider.mjs';

/**
 * Configuration options for the MailchimpProvider.
 */
type MailchimpProviderConfig = {
    /** Mailchimp Transactional API key */
    api_key: string;
    /** Default sender email address */
    default_from: string;
};
/**
 * Mailer provider that sends emails via Mailchimp Transactional (formerly Mandrill).
 * Supports API key from configuration or MAILCHIMP_API_KEY environment variable.
 */
declare class MailchimpProvider implements MailerProvider {
    private defaultFrom;
    private apiKey;
    /**
     * Creates a new MailchimpProvider instance.
     * @param options - Provider configuration options
     */
    constructor(options?: Partial<MailchimpProviderConfig>);
    /**
     * Sets the default sender email address.
     * @param from - The default sender email address
     */
    setDefaultFrom(from: string): void;
    /**
     * Sends an email via Mailchimp Transactional API.
     * @param mail - The email message to send
     * @throws Error if the Mailchimp API request fails or emails are rejected
     */
    sendMail(mail: Mailable): Promise<void>;
}

export { MailchimpProvider, type MailchimpProviderConfig };