import * as i0 from "@angular/core";
/**
 * Class for managing stylesheets. Stylesheets are loaded into named slots so that they can be
 * removed or changed later.
 */
export declare class MtnaStyleManagerService {
    static readonly GLOBAL_ANIMATE_STYLE_ID = "style-manager-global-animate-style";
    /**
     * Set the stylesheet with the specified key.
     */
    setStyle(key: string, href: string): void;
    /**
     * Remove the stylesheet with the specified key.
     */
    removeStyle(key: string): void;
    /**
     * Create a style element that will animate everything.
     * @returns the style element that was created.
     */
    private _animateEverything;
    /**
     * Remove the global animation styles once the link element has loaded.
     * @param linkElement The link element to listen when it is loaded.
     * @param globalAnimateStyle The global style element that has the animate all styles
     * @param oldThemeLinkElement The old theme link element that will be removed from the dom after the new theme is loaded
     */
    private _removeAnimateEverythingOnceStylesheetIsLoaded;
    static ɵfac: i0.ɵɵFactoryDeclaration<MtnaStyleManagerService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<MtnaStyleManagerService>;
}