import { TNode } from '../node/nodeTypeKey/nodeType';
import { UndoableChange } from './types';
declare const undoEventTypeKey = "mobx-bonsai/UndoEvent";
/**
 * Represents a single undo/redo event.
 * Contains all changes that occurred during a single MobX action.
 */
export type UndoEvent = TNode<typeof undoEventTypeKey, {
    changes: readonly UndoableChange[];
    attachedState?: {
        beforeEvent: unknown;
        afterEvent: unknown;
    };
}>;
/**
 * Node type for UndoEvent.
 * Events are frozen (immutable) nodes.
 */
export declare const TUndoEvent: import('..').BaseNodeType<UndoEvent, "typed", "$$type", never, unknown>;
declare const undoStoreTypeKey = "mobx-bonsai/UndoStore";
/**
 * UndoStore holds the undo and redo event queues.
 * Simple observable data structure - all manipulation is handled by UndoManager.
 */
export type UndoStore = TNode<typeof undoStoreTypeKey, {
    undoEvents: UndoEvent[];
    redoEvents: UndoEvent[];
}>;
/**
 * Node type for UndoStore with default empty arrays.
 */
export declare const TUndoStore: import('..').BaseNodeType<UndoStore, "typed", "$$type" | "undoEvents" | "redoEvents", never, unknown>;
/**
 * Creates a new UndoStore with empty undo/redo queues.
 */
export declare function createUndoStore(): UndoStore;
export {};