/**
 * Represents the `Portal` class.
 *
 * @public
 */
export declare class Portal {
    /**
     * Opens a template inside a portal.
     *
     * @public
     * @param id - The template id.
     */
    static open(template: HTMLTemplateElement): void;
}
/**
 * @private
 */
export declare class LayerManager {
    private static _z;
    static next(): number;
}
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