/**
 * Merges multiple React refs into a single ref callback function.
 *
 * This utility function combines multiple refs (callback refs, mutable refs, etc.)
 * into a single callback ref that updates all provided refs.
 *
 * @param refs - An array of refs to be merged. Can contain:
 * - MutableRefObject
 * - LegacyRef
 * - undefined
 * - null
 *
 * @returns A RefCallback function that updates all provided refs with the current value
 *
 * @example
 * ```tsx
 * const firstRef = useRef(null);
 * const secondRef = useRef(null);
 *
 * <div ref={mergeRefs([firstRef, secondRef])} />
 * ```
 *
 * @typeParam T - The type of value the refs will reference
 */
export declare function mergeRefs<T>(refs: Array<React.MutableRefObject<T> | React.LegacyRef<T> | undefined | null>): React.RefCallback<T>;