import { MailService } from "@sendgrid/mail";
import { JSONObject } from "kuzzle";
import { BaseAccount, MessengerClient } from "./MessengerClient";
import { SendgridAttachment } from "lib/types";
export interface SendgridAccount extends BaseAccount<MailService> {
    options: {
        /**
         * Default sender email address
         */
        defaultSender: string;
    };
}
export declare class SendgridClient extends MessengerClient<SendgridAccount> {
    constructor();
    /**
     * Sends an email using one of the registered accounts.
     *
     * @param accountName Account name
     * @param to Recipient email(s)
     * @param subject Email subject
     * @param html Email content
     * @param options.from Sender email
     * @param options.attachments Attachments to be included in the email
     */
    sendEmail(accountName: string, to: string[], subject: string, html: string, { from, attachments, }?: {
        from?: string;
        attachments?: SendgridAttachment[];
    }): Promise<void>;
    /**
     * Sends a templated email using one of the registered accounts.
     *
     * @param accountName Account name
     * @param to Recipient email(s)
     * @param templateId Template ID
     * @param templateData Template placeholders values
     * @param options.from Sender email
     * @param options.attachments Attachments to be included in the email
     */
    sendTemplatedEmail(accountName: string, to: string[], templateId: string, templateData: JSONObject, { from, attachments, }?: {
        from?: string;
        attachments?: SendgridAttachment[];
    }): Promise<void>;
    /**
     * Adds an account to send email with.
     *
     * @param name Account name
     * @param apiKey Sendgrid API key
     * @param defaultSender Default sender email address
     */
    addAccount(name: string, apiKey: string, defaultSender: string): void;
    protected _createAccount(name: any, apiKey: string, defaultSender: string): {
        name: any;
        client: MailService;
        options: {
            defaultSender: string;
        };
    };
    private sendMessage;
}