@silverbirder/rminc/dist/user/mail/mailApp/iMailApp.d.ts

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

import IMailThread from "../mailThread/iMailThread";
import ILabel from "../label/iLabel";
export default interface IMailApp {
    search(q: string): Array<IMailThread>;
    getUserLabelByName(name: string): ILabel;
    createLabel(name: string): ILabel;
}