import type { RefCallback, Ref } from 'react';
/**
 * Merges an array of refs into a single memoized callback ref or `null`.
 *
 * Taken from MIT licensed floating-ui/react
 *
 * @see https://floating-ui.com/docs/react-utils#usemergerefs
 */
export declare function useMergeRefs<Instance>(refs: Array<Ref<Instance> | undefined>): RefCallback<Instance> | null;
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