git grep "plugin-outlet"
app/assets/javascripts/admin/templates/admin.hbs:        {{plugin-outlet "admin-menu" tagName="li"}}
app/assets/javascripts/discourse/helpers/plugin-outlet.js.es6:     {{plugin-outlet "evil-trout"}}
app/assets/javascripts/discourse/helpers/plugin-outlet.js.es6:     {{#plugin-outlet "hello-world"}}
app/assets/javascripts/discourse/helpers/plugin-outlet.js.es6:     {{/plugin-outlet}}
app/assets/javascripts/discourse/helpers/plugin-outlet.js.es6:Ember.HTMLBars._registerHelper('plugin-outlet', function(params, hash, options, env) {
app/assets/javascripts/discourse/templates/components/edit-category-settings.hbs:{{plugin-outlet "category-custom-settings"}}
app/assets/javascripts/discourse/templates/components/topic-category.hbs:{{plugin-outlet "topic-category"}}
app/assets/javascripts/discourse/templates/composer.hbs:          {{plugin-outlet "composer-open"}}
app/assets/javascripts/discourse/templates/composer.hbs:          {{plugin-outlet "composer-fields"}}
app/assets/javascripts/discourse/templates/composer.hbs:            {{plugin-outlet "composer-fields-below"}}
app/assets/javascripts/discourse/templates/discovery.hbs:        {{plugin-outlet "discovery-list-container-top"}}
app/assets/javascripts/discourse/templates/modal/history.hbs:    {{plugin-outlet "post-revisions"}}
app/assets/javascripts/discourse/templates/post.hbs:        {{plugin-outlet "poster-avatar-bottom"}}
app/assets/javascripts/discourse/templates/post.hbs:            {{plugin-outlet "topic-after-cooked"}}
app/assets/javascripts/discourse/templates/search.hbs:{{plugin-outlet "above-search"}}
app/assets/javascripts/discourse/templates/site-map.hbs:    {{plugin-outlet "site-map-links"}}
app/assets/javascripts/discourse/templates/static.hbs:    {{plugin-outlet "above-static"}}
app/assets/javascripts/discourse/templates/topic-admin-menu.hbs:  {{plugin-outlet "topic-admin-menu-buttons"}}
app/assets/javascripts/discourse/templates/topic.hbs:{{plugin-outlet "topic-above-post-stream"}}
app/assets/javascripts/discourse/templates/topic.hbs:            {{plugin-outlet "edit-topic"}}
app/assets/javascripts/discourse/templates/topic.hbs:        {{plugin-outlet "topic-title"}}
app/assets/javascripts/discourse/templates/topic.hbs:            {{plugin-outlet "topic-above-suggested"}}
app/assets/javascripts/discourse/templates/user-card.hbs:      {{plugin-outlet "user-card-metadata"}}
app/assets/javascripts/discourse/templates/user/preferences.hbs:      {{plugin-outlet "user_custom_preferences"}}
app/assets/javascripts/discourse/templates/user/user.hbs:            {{plugin-outlet "user-profile-primary"}}
app/assets/javascripts/discourse/templates/user/user.hbs:        {{plugin-outlet "user-profile-secondary"}}