@silverbirder/rminc/dist/user/mail/mailThread/iMailThread.d.ts

rMinc is the Google Apps Script Library that register Mail in Calendar

import IMailMessage from "../mailMessage/iMailMessage";
import ILabel from "../label/iLabel";
export default interface IMailThread {
    getMessages(): Array<IMailMessage>;
    getPermalink(): string;
    addLabel(label: ILabel): IMailThread;
}