How to use the i18n.__ function in i18n

showModalEdit(id, oldName, oldUrl) {
        let errShowing = false,
            that = this;
        const forms = [{ id: 'txtName', placeholder: i18n.__('renderer.scheme_name'), value: oldName }];
        if (oldUrl) {
            forms.push({ id: 'txtUrl', placeholder: i18n.__('renderer.scheme_address'), value: oldUrl });
        }
        swal.withForm({
            title: i18n.__('renderer.edit_scheme'),
            text: oldUrl ? i18n.__('renderer.edit_scheme_remote_desc') : i18n.__('renderer.edit_scheme_local_desc'),
            showCancelButton: true,
            confirmButtonColor: '#DD6B55',
            confirmButtonText: i18n.__('renderer.edit_scheme_save'),
            cancelButtonText: i18n.__('renderer.cancel'),
            closeOnConfirm: false,
            formFields: forms
        }, function (isConfirm) {
            const $errEl = $('.sa-error-container');
            const name = this.swalForm.txtName.trim();
            let url;
            if (oldUrl) {
                url = this.swalForm.txtUrl.trim();
            }
            if (isConfirm) {
                if (!name) {
                    if (!errShowing) {
                        errShowing = true;
                        $errEl.find('p')
                            .text(i18n.__('renderer.scheme_name_empty'));

function localize(key: string, text?: string) {
    const vscodeOptions = JSON.parse(
        process.env.VSCODE_NLS_CONFIG
    ).locale.toLowerCase();
    let i18n = require('i18n');
    let locales = ['en', 'pt-br'];
    i18n.configure({
        locales: locales,
        directory: __dirname + '\\locales'
    });
    i18n.setLocale(locales.indexOf(vscodeOptions) + 1 ? vscodeOptions : 'en');
    return i18n.__(key);
}

AssignMail.owner.interested = (user, task, interested, offer) => {
    const to = user.email
    const language = user.language || 'en'
    i18n.setLocale(language)
    setMomentLocale(language)
    request(
      to,
      i18n.__('mail.assign.owner.subject'),
      [
        {
          type: 'text/html',
          value: `
          <p>${i18n.__('mail.assign.owner.hello')},</p>
          <p>${i18n.__('mail.assign.owner.main', { email: interested.email, name: interested.name || interested.username, url: `${process.env.FRONTEND_HOST}/#/task/${task.id}` })}</p>
          <p>${i18n.__('mail.assign.owner.suggest', { value: offer.value, suggestedDate: offer.suggestedDate ? offer.suggestedDate : i18n.__('mail.assigned.nodate'), learn: offer.learn ? i18n.__('mail.statement.yes') : i18n.__('mail.statement.no'), comment: offer.comment ? offer.comment : i18n.__('mail.offer.nocomment') })}</p>
          <p>${i18n.__('mail.assign.owner.sec')}</p>
          ${Signatures.buttons(language, {
    primary: {
      label: 'mail.assign.owner.button.primary',
      url: `${process.env.FRONTEND_HOST}/#/task/${task.id}/interested`
    },
    secondary: {
      label: 'mail.assign.owner.button.secondary',
      url: `${process.env.FRONTEND_HOST}/#/task/${task.id}`
    }
  })}
          <p>${Signatures.sign(language)}</p>`
        },
      ]
    )
  }

$('#btnNew')
            .attr('title', i18n.__('renderer.btnNew'));
        $('#btnRefresh')
            .attr('title', i18n.__('renderer.btnRefresh'));
        $('#btnExport')
            .attr('title', i18n.__('renderer.btnExport'));
        $('#btnEdit')
            .attr('title', i18n.__('renderer.btnEdit'));
        $('#btnCheck')
            .attr('title', i18n.__('renderer.btnCheck'));
        $('#btnDelete')
            .attr('title', i18n.__('renderer.btnDelete'));
        $('#btnApply')
            .attr('title', i18n.__('renderer.btnApply'));
        $('#btnApplyTxt').text(i18n.__('renderer.btnApply'));
        $('#btnSys')
            .attr('title', i18n.__('renderer.btnSysTxt'));
        $('#btnSysTxt').text(i18n.__('renderer.btnSysTxt'));

        $('#btnUndo')
            .attr('title', `${i18n.__('renderer.btnUndo')}(Ctrl+Z)`);
        $('#btnRedo')
            .attr('title', `${i18n.__('renderer.btnRedo')}(Ctrl+Shift+Z)`);
        $('#btnCopy')
            .attr('title', `${i18n.__('renderer.btnCopy')}(Ctrl+C)`);
        $('#btnCut')
            .attr('title', `${i18n.__('renderer.btnCut')}(Ctrl+X)`);
        $('#btnPaste')
            .attr('title', `${i18n.__('renderer.btnPaste')}(Ctrl+V)`);
        $('#btnSearch')
            .attr('title', `${i18n.__('renderer.btnSearch')}(Ctrl+F)`);

async revertBannedUser(req, body) {
        await this.userService.revertBannedOrRecycledUser(body.userId, 'banned');
        return { code: 200, message: i18n_1.__('Revert banned user successfully') };
    }
    async revertRecycledUser(req, body) {

getView : function (step)
    {
        if (step === null) {
            return errOutput;
        }
        var view = [
            i18n.__('Cool, love that project!'),
            i18n.__('What task are you on?'),
            ''
        ],

        previousStep = step.getParam('previousStep'),
        dailyEntries = previousStep.getParam('entries').day_entries;

        _.each(step.getOptions(), function (option, value) {
            if (option.type === 'task') {
                view.push(value + '. ' + option.name + (timerTools.isRunningTask(option.id, option.project_id, dailyEntries) ? i18n.__(' (Currently running)') : ''));
            }
        });

        view.push('');
        view.push(i18n.__('Just type {{{commandName}}} followed by a number to choose it or write \'{{{commandName}}} no\' if you picked the wrong project.', {
            commandName : commandName

global.ValidationError = errorFactory('ValidationError', function (errorMsg) {
    this.status = 400;
    this.message = [
      `${i18n.__('error.validation.field')}: `,
      ...errorMsg.map(item => `- ${item.param}: ${item.msg}.`),
    ].join('\n');
    this.messageHtml = [
      `<p>${i18n.__('error.validation.field')}: </p>`,
      '<ul>',
      ...errorMsg.map(item =&gt; `<li>${escapeHtml(item.param)}: ${escapeHtml(item.msg)}.</li>`),
      '</ul>',
    ].join('\n');
  });

async findAllOrganizations() {
        const data = await this.organizationService.findAllTrees();
        return { code: 200, message: i18n_1.__('Get all organizations successful'), data };
    }
    async findChildrenOrganizations(req, body) {

async findInfoItemsByGroupId(req, body) {
        const data = await this.infoGroupService.findItemsById(body.groupId);
        return { code: 200, message: i18n_1.__('Query the information item in the information group successfully'), data };
    }
};