kibana-123/src/core_plugins/dev_mode/index.js

Kibana is an open source (Apache Licensed), browser based analytics and search dashboard for Elasticsearch. Kibana is a snap to setup and start using. Kibana strives to be easy to get started with, while also being flexible and powerful, just like Elastic

export default (kibana) => {
  if (!kibana.config.get('env.dev')) return;
  return new kibana.Plugin({
    uiExports: {
      spyModes: [
        'plugins/dev_mode/vis_debug_spy_panel'
      ]
    }
  });
};