/**
 * An abstract class that defines the structure of an undo/redo action.
 *
 * @class BaseAction
 * @private
 */
export declare class BaseAction {
    /**
     * @param {string} actionType The action type.
     */
    actionType: string;
    /**
     * Initializes the action with the given action type identifier.
     */
    constructor(actionType: string);
    /**
     * Reverts the action, restoring the previous state. Subclasses must override this method.
     */
    undo(..._args: unknown[]): void;
    /**
     * Reapplies the action after it has been undone. Subclasses must override this method.
     */
    redo(..._args: unknown[]): void;
}