import type { EventData } from '@fluentui/react-utilities';
export type GrowDirection = 'end' | 'start' | 'up' | 'down';
export type SupportedKeys = 'ArrowRight' | 'ArrowLeft' | 'ArrowUp' | 'ArrowDown';
export type CSSUnit = 'px' | 'viewport';
export type CSSUnitName = 'px' | 'vw' | 'vh';
export declare const UNMEASURED = -1;
export declare const EVENTS: {
    readonly keyboard: "keyboard";
    readonly touch: "touch";
    readonly mouse: "mouse";
    readonly setValue: "setValue";
    readonly handleRef: "handleRef";
    readonly wrapperRef: "wrapperRef";
    readonly elementRef: "elementRef";
};
export type ResizeHandleUpdateEventData = (EventData<typeof EVENTS.keyboard, KeyboardEvent> | EventData<typeof EVENTS.touch, TouchEvent> | EventData<typeof EVENTS.mouse, MouseEvent> | EventData<typeof EVENTS.setValue, CustomEvent> | EventData<typeof EVENTS.handleRef, CustomEvent> | EventData<typeof EVENTS.wrapperRef, CustomEvent> | EventData<typeof EVENTS.elementRef, CustomEvent>) & {
    value: number;
    unit: CSSUnitName;
};