server/src/Core/Services/II18nService.cs

using Microsoft.Extensions.Localization;

namespace Bit.Core.Services
{
    public interface II18nService
    {
        LocalizedString GetLocalizedHtmlString(string key);
        LocalizedString GetLocalizedHtmlString(string key, params object[] args);
        string Translate(string key, params object[] args);
        string T(string key, params object[] args);
    }
}