import { TemplateRef, InjectionToken } from '@angular/core';
import { Observable } from 'rxjs';
export declare const TeleportConfigToken: InjectionToken<TeleportConfig>;
export interface TeleportConfig {
    bufferSize?: number;
}
export interface TeleportPayload {
    action: 'activate' | 'clear' | 'clearAll';
    template?: TemplateRef<Object | null>;
    target?: string;
    data?: any;
}
export declare class TeleportService {
    private inner$;
    readonly beam$: Observable<TeleportPayload>;
    constructor(config: TeleportConfig);
    /** Beam observable streaming the template to render as they occur */
    beam(name: string): Observable<TeleportPayload>;
    /** Activates the template at the given target portal */
    activate(target: string, template: TemplateRef<Object | null>, data?: any): void;
    /** Clears the template from the target portal */
    clear(target: string, template: TemplateRef<Object | null>): void;
    /** Clear all the portals */
    clearAll(): void;
}