Other

Pipes

SafeHtmlPipe is used in demo to render some HTML content without sanitization.

html
<div [innerHTML]='content | safeHtml'></div>

Dom Service

It's used to create some components dynamically (such as toast containers) and you don't need it, but you can use it like this:

ts
import { DomService } from 'ng-ace-admin';
constructor(private domService: DomService ...) {

}

.
.
.

let componentRef = this.domService.insertComponent(ComponentClass, options, document.body).instance
componentRef.someMethod()

If ngbDropdown elements in navbar have .navbar-dropdown class, it will update navbar's z-index when dropdowns are opened so that the dropdown appears above asides or other elements:

html
<li ngbDropdown class="nav-item dropdown-mega navbar-dropdown">
...
</li>