import { Mailable, MailableVersionFactory, Personalization as SendgridPersonalization } from '@tellimer/mailable';
import { Response } from './response';
export declare type Person = string | PersonObj | (() => string | PersonObj);
export declare type PersonObj = {
    name?: string;
    email: string;
};
export declare type Personalization = PersonObj & Omit<SendgridPersonalization, 'to'> & {
    customArgs?: ((p: Personalization) => Record<string, string>) | {
        [key: string]: string;
    };
};
declare type To = string | Personalization | Personalization[] | string[];
export declare function sendVersioned(versionFactory: MailableVersionFactory, to: To): Promise<Response>;
export declare function send(mailable: Mailable | MailableVersionFactory, to: To): Promise<Response>;
export {};