/// <reference types="react" />
/*!
 * Copyright (c) Microsoft. All rights reserved.
 * Licensed under the MIT license. See LICENSE file in the project.
 */
import type { Step } from '@datashaper/workflow';
import type { IDropdownOption } from '@fluentui/react';
import type { StepChangeFunction } from '../../types.js';
export type DropdownChangeAllHandler = (event: React.MouseEvent<HTMLAnchorElement | HTMLButtonElement | HTMLElement>, options?: IDropdownOption[]) => void;
export declare function useDropdownChangeAllHandler<T extends object | void | unknown>(step: Step<T>, updateFn: (step: Step<T>, optionKeys: (string | number)[]) => void, onChange?: StepChangeFunction<T>): DropdownChangeAllHandler;