import { OnDestroy } from "@angular/core";
import { Observable } from 'rxjs';
export declare class TemplatingService implements OnDestroy {
    /** Name of the active theme */
    private themeName;
    /** Observable to subscribe to theme changes */
    private theme$;
    /** Unsubscriber from all streams on destroy */
    private unsubscriber$;
    constructor();
    /** Destroy service and his streams */
    ngOnDestroy(): void;
    /** Get the actually  active theming name */
    getActiveThemeName(): string;
    /** Returns stored active theme as stream to get subscribed */
    getObservable(): Observable<any>;
    /**
     * Change page active theming template
     * @param element
     * @throws Error on template not found
     */
    setActiveTheme(themes: any, themeName: string): void;
    /**
     * Activate actual selected theme color variables for a given html element
     * @param element Native element to store theme color variables
     */
    setElementTemplate(element: HTMLElement): void;
    /**
     * Set host variables for a particular component
     * @param element
     */
    setComponentTemplate(template: any, element: HTMLElement): void;
}