/**
 * useOnClickOutside
 *
 * Note: This hook is only intended to be used in the WordPress backend/block editor.
 *
 * @param {Function} onClickOutside callback that will get invoked when the user clicks outside of the target
 * @returns {object} ref to the target element
 */
export declare function useOnClickOutside(onClickOutside: (event: MouseEvent | TouchEvent) => void): import("react").RefCallback<Node | null>;
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