import { Class_MenuConfig } from './MenuConfig';
export declare const history_size: number;
/**
 * Class that contains all elements to make the application work
 *
 * @class Class_ApplicationData
 */
export declare class Class_ApplicationHistory {
    /**
     * Table that contains function to go Forward or Backward
     * @protected
     * @memberof Class_ApplicationHistory
     */
    protected _transitions_table: {
        toNext: () => void;
        toPrev: () => void;
    }[];
    /**
     * Current index for transition table
     *
     * @protected
     * @type {number}
     * @memberof Class_ApplicationHistory
     */
    protected _index_table: number;
    /**
     * Min index for transition table - cannot undo if index = index_min
     * @protected
     * @type {number}
     * @memberof Class_ApplicationHistory
     */
    protected _index_table_min: number;
    /**
     * Max index for transition table - cannot redo if index = index max
     *
     * @protected
     * @type {number}
     * @memberof Class_ApplicationHistory
     */
    protected _index_table_max: number;
    /**
     * True if we can undo action
     * @protected
     * @type {boolean}
     * @memberof Class_ApplicationHistory
     */
    protected _can_undo: boolean;
    /**
     * True if we can redo action
     * @protected
     * @type {boolean}
     * @memberof Class_ApplicationHistory
     */
    protected _can_redo: boolean;
    private _menu_config;
    /**
     * Create instance of Class_ApplicationHistory
     * @param application_data
     */
    constructor(menu_config: Class_MenuConfig);
    /**
     * Save undo function
     * @param f
     */
    saveUndo(f: () => void): void;
    /**
     * Save redo function
     * @param f
     */
    saveRedo(f: () => void): void;
    /**
     * Go back
     */
    applyUndo(): void;
    /**
     * Go forward
     */
    applyRedo(): void;
    protected increaseIndexes(): void;
    get can_undo(): boolean;
    get can_redo(): boolean;
}