import type { ReactElement } from 'react';
import type { ToolbarButton } from './toolbar-button.js';
export declare class ToolbarButtons {
    private readonly _toolbarButtons;
    constructor(toolbarButtons: ToolbarButton[]);
    get toolbarButtons(): ToolbarButton[];
    getButtonByIndex(index: number): ToolbarButton;
    isEmpty(): boolean;
    addButton(toolbarButton: ToolbarButton): void;
    getButtonsElements(): ReactElement[];
    getButtonsElementsWithDataHook(): ReactElement[];
    getFirstButtonDataHook(): string | null;
    getLastButtonDataHook(): string | null;
}
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