import { MailResponse } from '../mail_response.js';
import type { SparkPostConfig, NodeMailerMessage, MailTransportContract, SparkPostRuntimeConfig, SparkPostSentMessageInfo } from '../types.js';
/**
 * AdonisJS mail transport implementation to send emails
 * using Sparkpost's `/message.mime` API endpoint.
 */
export declare class SparkPostTransport implements MailTransportContract {
    #private;
    constructor(config: SparkPostConfig);
    /**
     * Send message
     */
    send(message: NodeMailerMessage, config?: SparkPostRuntimeConfig): Promise<MailResponse<SparkPostSentMessageInfo>>;
}