import { InjectableStrategy, DeenruvEvent } from "@deenruv/core";
import { EmailDetails, EmailPluginOptions } from "../types";
/**
 * @description
 * An EmailGenerator generates the subject and body details of an email.
 *
 * @docsCategory core plugins/EmailPlugin
 * @docsPage EmailGenerator
 * @docsWeight 0
 */
export interface EmailGenerator<T extends string = any, E extends DeenruvEvent = any> extends InjectableStrategy {
    /**
     * @description
     * Any necessary setup can be performed here.
     */
    onInit?(options: EmailPluginOptions): void | Promise<void>;
    /**
     * @description
     * Given a subject and body from an email template, this method generates the final
     * interpolated email text.
     */
    generate(from: string, subject: string, body: string, templateVars: {
        [key: string]: any;
    }): Promise<Pick<EmailDetails, "from" | "subject" | "body">> | Pick<EmailDetails, "from" | "subject" | "body">;
}