import type { FanOut } from 'thingies/lib/fanout';
import type { JsonNode, JsonNodeView } from '../../nodes';
import type { SyncStore, SyncStoreUnsubscribe } from '../../../util/events/sync-store';
import type { NodeApi } from './nodes';
export declare class NodeEvents<N extends JsonNode = JsonNode> implements SyncStore<JsonNodeView<N>> {
    private readonly api;
    /**
     * Fired on any model change, even if the node's value has not changed. The
     * changes are fired once per microtask, so multiple changes in the same
     * microtask are batched into a single event.
     */
    readonly onChanges: FanOut<JsonNodeView<N>>;
    /**
     * Similar to `.onChanges`, but fired when the node's view has changed,
     * checked using triple equality `===`.
     *
     * The strict equality identity is preserved deeply equal values, even for
     * objects and arrays. So, this event will not fire if there was a change
     * to the node's value, but the value is still deeply equal to the previous
     * value.
     *
     * This event depends on overall Model's `onChanges` event, which is
     * batched using `queueMicrotask`.
     */
    readonly onViewChanges: FanOut<JsonNodeView<N>>;
    constructor(api: NodeApi<N>);
    /**
     * Called when this node is deleted.
     *
     * @internal
     * @ignore
     */
    handleDelete(): void;
    readonly subscribe: (callback: () => void) => SyncStoreUnsubscribe;
    readonly getSnapshot: () => JsonNodeView<N>;
}