import { OnInit, ViewContainerRef } from "@angular/core";
import { PlaceholderService } from "./placeholder.service";
/**
 * Using a modal, dialog (Tooltip, OverflowMenu), or any other component that draws out of the normal page flow
 * in your application *requires* this component (`ibm-placeholder`).
 * It would generally be placed near the end of your root app component template
 * (app.component.ts or app.component.html) as:
 *
 * ```
 * <ibm-placeholder></ibm-placeholder>
 * ```
 */
export declare class Placeholder implements OnInit {
    placeholderService: PlaceholderService;
    /**
     * Maintains a reference to the view DOM element of the `Placeholder`.
     */
    viewContainerRef: ViewContainerRef;
    /**
     * Creates an instance of `Placeholder`.
     */
    constructor(placeholderService: PlaceholderService);
    /**
     * Registers the components view with `PlaceholderService`
     */
    ngOnInit(): void;
}