addRestrictionsSection_(category, sectionName) {
    const prefix = (category ? category + '.' : '') + 'restrictions.';
    const docLink = this.resolveExternLink_('.Restrictions');
    this.addSection_(sectionName, docLink)
        .addNumberInput_('Min Width', prefix + 'minWidth')
        .addNumberInput_('Max Width', prefix + 'maxWidth')
        .addNumberInput_('Min Height', prefix + 'minHeight')
        .addNumberInput_('Max Height', prefix + 'maxHeight')
        .addNumberInput_('Min Pixels', prefix + 'minPixels')
        .addNumberInput_('Max Pixels', prefix + 'maxPixels')
        .addNumberInput_('Min Framerate', prefix + 'minFrameRate')
        .addNumberInput_('Max Framerate', prefix + 'maxFrameRate')
        .addNumberInput_('Min Bandwidth', prefix + 'minBandwidth')
        .addNumberInput_('Max Bandwidth', prefix + 'maxBandwidth')
        .addNumberInput_('Min Channels Count', prefix + 'minChannelsCount')
        .addNumberInput_('Max Channels Count', prefix + 'maxChannelsCount');
  }
@param {string} category
@param {string} sectionName
@private