A translation function that resolves and interpolates a translation string.
Translation key, or a value to format directly.
OptionaldataOrLang: string | Record<string, unknown>
Object providing interpolation data, or a language code override.
Optionallang: string
Optional language code; used when dataOrLang is a data object.
The resolved and interpolated translation string.
Signature of the translation function returned by i18n.