import { JSONObject } from '@phosphor/coreutils';
import { IObservableVector, ObservableVector } from './observablevector';
/**
 * An object which can be serialized to JSON.
 */
export interface ISerializable {
    /**
     * Convert the object to JSON.
     */
    toJSON(): JSONObject;
}
/**
 * An observable vector that supports undo/redo.
 */
export interface IObservableUndoableVector<T extends ISerializable> extends IObservableVector<T> {
    /**
     * Whether the object can redo changes.
     */
    readonly canRedo: boolean;
    /**
     * Whether the object can undo changes.
     */
    readonly canUndo: boolean;
    /**
     * Begin a compound operation.
     *
     * @param isUndoAble - Whether the operation is undoable.
     *   The default is `false`.
     */
    beginCompoundOperation(isUndoAble?: boolean): void;
    /**
     * End a compound operation.
     */
    endCompoundOperation(): void;
    /**
     * Undo an operation.
     */
    undo(): void;
    /**
     * Redo an operation.
     */
    redo(): void;
    /**
     * Clear the change stack.
     */
    clearUndo(): void;
}
/**
 * A concrete implementation of an observable undoable vector.
 */
export declare class ObservableUndoableVector<T extends ISerializable> extends ObservableVector<T> implements IObservableUndoableVector<T> {
    /**
     * Construct a new undoable observable vector.
     */
    constructor(factory: (value: JSONObject) => T);
    /**
     * Whether the object can redo changes.
     */
    readonly canRedo: boolean;
    /**
     * Whether the object can undo changes.
     */
    readonly canUndo: boolean;
    /**
     * Dispose of the resources held by the model.
     */
    dispose(): void;
    /**
     * Begin a compound operation.
     *
     * @param isUndoAble - Whether the operation is undoable.
     *   The default is `true`.
     */
    beginCompoundOperation(isUndoAble?: boolean): void;
    /**
     * End a compound operation.
     */
    endCompoundOperation(): void;
    /**
     * Undo an operation.
     */
    undo(): void;
    /**
     * Redo an operation.
     */
    redo(): void;
    /**
     * Clear the change stack.
     */
    clearUndo(): void;
    /**
     * Handle a change in the vector.
     */
    private _onVectorChanged(list, change);
    /**
     * Undo a change event.
     */
    private _undoChange(change);
    /**
     * Redo a change event.
     */
    private _redoChange(change);
    /**
     * Copy a change as JSON.
     */
    private _copyChange(change);
    private _inCompound;
    private _isUndoable;
    private _madeCompoundChange;
    private _index;
    private _stack;
    private _factory;
}