import type { CardRegistration, CardRegistrations } from '@atlaskit/editor-common/card/types';
/**
 * Creates a registry of resolved cards, for use with editor actions.
 * Registration changes (insertion, deletion, and id/title/url updates) notify subscribers; live position changes do not.
 *
 * @returns A registry object with the following methods:
 * - `getCardRegistrations`: Returns the current registrations, keyed by card ID.
 * - `registerCard`: Adds or updates a card.
 * - `removeCard`: Removes a card by ID.
 * - `subscribe`: Registers a change listener and returns an unsubscribe function.
 */
export declare const createCardRegistry: () => {
    /**
     * Reads the current registrations without copying them.
     * @returns An immutable object keyed by card ID. Its identity changes only when
     * registrations change. Each entry's `getPos()` reads its live position, or
     * undefined after node removal.
     */
    getCardRegistrations: () => CardRegistrations;
    /**
     * Adds or updates a card by ID and notifies subscribers when its registration changes.
     * Ignores cards whose position is undefined.
     * @param info - The card ID, metadata, and live position getter.
     */
    registerCard: (info: CardRegistration) => void;
    /**
     * Removes a card and notifies subscribers. Does nothing for an unknown ID.
     * @param id - The registered card ID.
     */
    removeCard: (id: string) => void;
    /**
     * Registers a listener for registration changes, not position changes.
     * @param listener - Called after the registration object is replaced.
     * @returns A cleanup function to unsubscribe the listener.
     */
    subscribe: (listener: () => void) => () => void;
};