import SMTPTransport from "nodemailer/lib/smtp-transport";
import { Database } from "../database/database";
export declare function send_metrics_mail(transport: Partial<SMTPTransport.Options>, args: {
    to: string[];
    from?: string;
    subject: string;
    body?: string;
    direct_to: string;
    path_metrics?: string;
    data?: {
        key_value_sheets: Record<string, string>;
        queries: Record<string, string>;
    };
}, bd: Database): Promise<void>;