@nest-modules/mailer/dist/interfaces/mailer-async-options.interface.d.ts

NestJS - a mailer module (@mailer)

import { ModuleMetadata, Type } from '@nestjs/common/interfaces';
import { MailerOptions } from './mailer-options.interface';
import { MailerOptionsFactory } from './mailer-options-factory.interface';
export interface MailerAsyncOptions extends Pick<ModuleMetadata, 'imports'> {
    inject?: any[];
    useClass?: Type<MailerOptionsFactory>;
    useExisting?: Type<MailerOptionsFactory>;
    useFactory?: (...args: any[]) => Promise<MailerOptions> | MailerOptions;
}