import { AbstractManager } from './AbstractManager.js';
/**
 * Normalize the name of ref.
 */
export declare const normalizeRefName: (name: string) => string;
/**
 * Refs Manager
 *
 * @todo Use `MutationObserver` to automatically update refs?
 */
export declare class RefsManager<T> extends AbstractManager<T> {
    /**
     * Get refs configuration.
     * @private
     */
    get __refs(): string[];
    /**
     * Register all refs.
     */
    registerAll(): void;
    /**
     * Unregister all refs.
     */
    unregisterAll(): void;
    /**
     * Register one ref.
     * @private
     */
    __register(refName: string): void;
    /**
     * Unregister one ref.
     */
    __unregister(refName: string): void;
}