import { CdkOverlayOrigin, Overlay, OverlayRef } from '@angular/cdk/overlay';
import { ViewContainerRef } from '@angular/core';
import { MtnaFeatureDiscoveryConfig } from './feature-discovery-config.model';
import * as i0 from "@angular/core";
/**
 * Helper services for displaying a Feature Discovery
 *
 */
export declare class MtnaFeatureDiscoveryService {
    overlay: Overlay;
    overlayRef: OverlayRef | undefined;
    constructor(overlay: Overlay);
    /**
     * Show a feature discovery.
     * @example HTML
     * <mat-chip cdkOverlayOrigin>Lion O</mat-chip>
     *
     * @example Component TS
     * ViewChild(CdkOverlayOrigin) _overlayOrigin: CdkOverlayOrigin;
     *
     * ngOnInit() {
     *   this.featureDiscoveryService.show(
     *     this._overlayOrigin,
     *     this.viewContainerRef,
     *     new FeatureDiscoveryConfig(
     *       `<h2 class="mat-h2">You're a collaborator!</h2>
     *       <p class="mat-body-1">Start your Data Enclave Account application by clicking on your account chip</p>`,
     *       170,
     *       -24,
     *       50,
     *       600,
     *       600,
     *       { x: 246, y: 0, width: 350, height: 340 }
     *     )
     *   );
     * }
     * @param overlayOrigin overlay origin for where you want to show the feature discovery
     * @param viewContainerRef view container of the parent component
     * @param config configuration for display and positioning of the feature discovery
     * @memberof MtnaFeatureDiscoveryService
     */
    show(overlayOrigin: CdkOverlayOrigin, viewContainerRef: ViewContainerRef, config: MtnaFeatureDiscoveryConfig): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<MtnaFeatureDiscoveryService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<MtnaFeatureDiscoveryService>;
}