embark/packages/core/i18n/index.d.ts

import { Maybe } from 'embark';
import * as i18n from 'i18n';

declare module 'embark-i18n' {
  function setOrDetectLocale(locale: Maybe<string>): void;
  function __(
    phraseOrOptions: string | i18n.TranslateOptions,
    ...replace: string[]
  ): string;
  function __(
    phraseOrOptions: string | i18n.TranslateOptions,
    replacements: i18n.Replacements
  ): string;
}