import React from 'react';
/**
 * useMergeRefs merges multiple refs into single ref callback.
 *
 * For example
 *  const mergedRef = useMergeRefs(ref1, ref2, ref3)
 *  <div ref={refs}>...</div>
 */
export declare function useMergeRefs(...refs: Array<React.RefCallback<any> | React.MutableRefObject<any> | null | undefined>): ((value: any) => void) | null;
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