import type { MutableRefObject } from 'react';
export type Dimensions = {
    height?: number;
    width?: number;
};
/** If element is mounted, returns its dimensions and `ResizeObserverEntry`
 * If element is unmounted, returns null */
export type ResizePayload = {
    width: number;
    height: number;
    entry: ResizeObserverEntry;
} | {
    width: null;
    height: null;
    entry: null;
};
export type RefreshModeType = 'throttle' | 'debounce';
export type RefreshOptionsType = {
    leading?: boolean;
    trailing?: boolean;
};
export type OnResizeCallback = (payload: ResizePayload) => void;
export type Props = {
    /**
     * Function that will be invoked with observable element's width, height and ResizeObserverEntry.
     * If element is unmounted, width and height will be null.
     * Default: undefined
     */
    onResize?: OnResizeCallback;
    /**
     * Trigger update on height change.
     * Default: true
     */
    handleHeight?: boolean;
    /**
     * Trigger onResize on width change.
     * Default: true
     */
    handleWidth?: boolean;
    /**
     * Do not trigger update when a component mounts.
     * Default: false
     */
    skipOnMount?: boolean;
    /**
     * Changes the update strategy. Possible values: "throttle" and "debounce".
     * See `lodash` docs for more information https://lodash.com/docs/
     * undefined - callback will be fired for every frame.
     * Default: undefined
     */
    refreshMode?: RefreshModeType;
    /**
     * Set the timeout/interval for `refreshMode` strategy
     * Default: undefined
     */
    refreshRate?: number;
    /**
     * Pass additional params to `refreshMode` according to lodash docs
     * Default: undefined
     */
    refreshOptions?: RefreshOptionsType;
    /**
     * These options will be used as a second parameter of `resizeObserver.observe` method
     * @see https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver/observe
     * Default: undefined
     */
    observerOptions?: ResizeObserverOptions;
};
export type OnRefChangeType<T = any> = {
    (node: T | null): void;
    current?: T | null;
};
export interface UseResizeDetectorReturn<T> extends Dimensions {
    ref: OnRefChangeType<T>;
}
export interface useResizeDetectorProps<T extends HTMLElement> extends Props {
    targetRef?: MutableRefObject<T | null>;
}