import Email from 'email-templates';
export default class Mailer {
    /**
     * The starting point of a range.
     * @type {string}
     */
    private readonly from;
    /**
     * The default file template for the application.
     * @type {string}
     */
    private readonly templateDefaultFile;
    /**
     * The transporter object used for sending emails using the AWS SES service.
     * @type {ReturnType<typeof nodemailer.createTransport<SESTransport.SentMessageInfo>>}
     */
    private readonly transporter;
    /**
     * Constructs a new instance of the EmailSender class.
     * @param {string} defaultFrom - The default "from" email address.
     * @param {string} region - The AWS region to use for sending emails.
     * @returns None
     */
    constructor(defaultFrom: string, region: string);
    /**
     * Sends a raw email with the specified parameters.
     * @param {string | Array<string>} to - The recipient(s) of the email.
     * @param {string} htmlMessage - The HTML content of the email.
     * @param {string} subject - The subject of the email.
     * @param {string | Array<string>} [optionalCC] - The optional CC recipient(s) of the email.
     * @param {string} [optionalFrom] - The optional sender of the email. If not provided, the default sender will be used.
     * @param {string} [optionalReplyTo] - The optional reply-to address for the email.
     * @param {any[]} [optionalAttachments] - The optional attachments to include
     */
    sendRawEmail(to: string | Array<string>, htmlMessage: string, subject: string, optionalCC?: string | Array<string>, optionalFrom?: string, optionalReplyTo?: string, optionalAttachments?: any[], optionalTransport?: Email.NodeMailerTransportOptions): Promise<null>;
    /**
     * Sends a templated email to the specified recipients.
     * @param {string | Array<string>} to - The email address(es) of the recipient(s).
     * @param {string | Array<string>} templates - The template(s) to use for the email.
     * @param {object} data - The data to be used in the email template.
     * @param {string | Array<string>} [optionalCC] - The email address(es) to CC.
     * @param {string} [optionalFrom] - The email address to send the email from.
     * @param {string} [optionalReplyTo] - The email address to set as the reply-to address.
     * @param {any[]} [optionalAttachments] - An array
     */
    sendTemplatedEmail(to: string | Array<string>, templates: string | Array<string>, data: object, optionalCC?: string | Array<string>, optionalFrom?: string, optionalReplyTo?: string, optionalAttachments?: any[], optionalTransport?: Email.NodeMailerTransportOptions): Promise<null>;
    /**
     * Creates a new SMTP transporter for sending emails using NodeMailer.
     * @param {string} host - The SMTP server host.
     * @param {number} portNumber - The port number to connect to the SMTP server.
     * @param {string} user - The username for authentication with the SMTP server.
     * @param {string} password - The password for authentication with the SMTP server.
     * @returns {Email.NodeMailerTransportOptions} - The SMTP transporter object.
     */
    newSMTPTransporter(host: string, portNumber: number, user: string, password: string): Email.NodeMailerTransportOptions;
    /**
     * Chooses a template from the given array of templates or a single template string based on whether it can be rendered with the provided data.
     * @param {string | Array<string>} templates - The template(s) to choose from.
     * @param {object} data - The data to be used for rendering the template.
     * @returns {Promise<string>} - The chosen template.
     * @throws {Error} - If no template can be rendered with the provided data.
     */
    private chooseTemplate;
    /**
     * Checks if a given email template can be rendered with the provided data.
     * @param {string} template - The name of the email template.
     * @param {object} data - The data to be used for rendering the template.
     * @returns {Promise<boolean>} - A promise that resolves to true if the template can be rendered, false otherwise.
     */
    private canRenderTemplate;
    /**
     * Renders the given template with the provided data using the Email class.
     * @param {string} template - The name or path of the template to render.
     * @param {object} data - The data object to pass to the template.
     * @returns {Promise<boolean>} - A promise that resolves to true if the template was rendered successfully, false otherwise.
     */
    static renderTemplate(template: string, data: object): Promise<any>;
}